:root {
  --bg: #fdfbf5;
  --bg-soft: #f7f1e4;
  --white: #ffffff;
  --glass: rgba(255, 255, 255, 0.66);
  --line: #e9dfc9;
  --line-strong: #d9cbab;
  --ink: #231f1b;
  --ink-soft: #5b5347;
  --ink-faint: #8d8474;
  --red: #a62a23;
  --red-bright: #d2402f;
  --gold: #c89d5e;
  --gold-pale: #efd3b1;
  --serif: "Noto Serif SC", "Songti SC", serif;
  --sans: "Noto Sans SC", -apple-system, "PingFang SC", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --container: 1180px;
  --gutter: 56px;
  --radius: 14px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  position: relative;
  background:
    linear-gradient(90deg, rgba(166, 42, 35, 0.028) 1px, transparent 1px),
    linear-gradient(180deg, rgba(166, 42, 35, 0.022) 1px, transparent 1px),
    var(--bg);
  background-size: 72px 72px, 72px 72px, auto;
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 600;
  word-break: keep-all;
  overflow-wrap: normal;
}

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.mono-label {
  color: var(--red);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.mono-label::before {
  content: "/ ";
  color: var(--ink-faint);
}

/* ---------- 流动光斑背景 ---------- */

.aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.aurora i {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.68;
}

.aurora i:nth-child(1) {
  top: -16%;
  left: -8%;
  width: 560px;
  height: 560px;
  background: radial-gradient(closest-side, rgba(239, 211, 177, 0.85), transparent);
  animation: drift1 16s ease-in-out infinite alternate;
}

.aurora i:nth-child(2) {
  top: 6%;
  right: -12%;
  width: 480px;
  height: 480px;
  background: radial-gradient(closest-side, rgba(166, 42, 35, 0.22), transparent);
  animation: drift2 20s ease-in-out infinite alternate;
}

.aurora i:nth-child(3) {
  bottom: -20%;
  left: 28%;
  width: 620px;
  height: 620px;
  background: radial-gradient(closest-side, rgba(200, 157, 94, 0.3), transparent);
  animation: drift3 24s ease-in-out infinite alternate;
}

@keyframes drift1 { to { transform: translate(150px, 110px) scale(1.2); } }
@keyframes drift2 { to { transform: translate(-130px, 150px) scale(1.12); } }
@keyframes drift3 { to { transform: translate(120px, -140px) scale(0.86); } }

/* ---------- 导航 ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  border-top: 4px solid var(--red);
  border-bottom: 1px solid rgba(233, 223, 201, 0.9);
  background: rgba(253, 251, 245, 0.78);
  backdrop-filter: blur(20px) saturate(150%);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  min-height: 72px;
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.brand img {
  display: block;
  height: 34px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--ink-soft);
  font-size: 13.5px;
}

.nav-links a:hover {
  color: var(--ink);
}

.nav-links .cta {
  padding: 9px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--red), var(--red-bright));
  color: #fff;
  box-shadow: 0 8px 24px rgba(166, 42, 35, 0.28);
}

/* ---------- 按钮 ---------- */

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 54px;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button.primary {
  background: linear-gradient(135deg, var(--red), var(--red-bright));
  color: #fff;
  box-shadow: 0 14px 38px rgba(166, 42, 35, 0.32);
}

.button.primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.5s ease;
}

.button.primary:hover::after {
  left: 130%;
}

.button.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 50px rgba(166, 42, 35, 0.4);
}

.button.ghost {
  border: 1px solid var(--line-strong);
  background: var(--glass);
  color: var(--ink);
  backdrop-filter: blur(8px);
}

.button.ghost:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 120px 0 90px;
  text-align: center;
}

.hero-glyph {
  position: absolute;
  right: -50px;
  bottom: -170px;
  color: transparent;
  font-family: var(--mono);
  font-size: 620px;
  font-weight: 600;
  line-height: 1;
  -webkit-text-stroke: 1.5px rgba(166, 42, 35, 0.1);
  pointer-events: none;
  will-change: transform;
}

.hero .wrap {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--glass);
  backdrop-filter: blur(8px);
  color: var(--ink-soft);
  font-size: 12.5px;
}

.hero-badge i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red-bright);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(210, 64, 47, 0.45); }
  50% { box-shadow: 0 0 0 7px rgba(210, 64, 47, 0); }
}

.hero h1 {
  max-width: 900px;
  margin: 34px auto 0;
  font-size: 84px;
  font-weight: 900;
  line-height: 1.18;
}

.hero h1 .grad {
  background: linear-gradient(100deg, var(--ink) 6%, var(--red) 48%, var(--gold) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .lede {
  max-width: 640px;
  margin: 28px auto 0;
  color: var(--ink-soft);
  font-size: 16.5px;
  line-height: 2;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-top: 40px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 920px;
  margin: 72px auto 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(10px);
  box-shadow: 0 24px 60px rgba(60, 45, 25, 0.07);
}

.hero-stat {
  padding: 26px 18px 22px;
  border-right: 1px solid var(--line);
}

.hero-stat:last-child {
  border-right: 0;
}

.hero-stat strong {
  display: block;
  color: var(--red);
  font-family: var(--mono);
  font-size: 32px;
  font-weight: 600;
  line-height: 1.1;
  white-space: nowrap;
}

.hero-stat p {
  margin-top: 8px;
  color: var(--ink-faint);
  font-size: 12.5px;
}

/* ---------- 跑马灯 ---------- */

.marquee {
  padding: 26px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
  overflow: hidden;
}

.marquee-track {
  display: flex;
  gap: 64px;
  width: max-content;
  animation: marquee 36s linear infinite;
}

.marquee span {
  color: var(--ink-faint);
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  white-space: nowrap;
}

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

/* ---------- 分区 ---------- */

.section {
  position: relative;
  padding: 110px 0;
}

.section-head {
  max-width: 700px;
  margin-bottom: 54px;
}

.section-head h2 {
  margin-top: 18px;
  font-size: 46px;
  line-height: 1.3;
}

.section-head p {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 2;
}

/* ---------- 导师 ---------- */

.teacher-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.teacher-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 16px 44px rgba(60, 45, 25, 0.06);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.teacher-card:hover {
  transform: translateY(-5px);
  border-color: rgba(166, 42, 35, 0.35);
  box-shadow: 0 28px 64px rgba(60, 45, 25, 0.12);
}

.teacher-photo {
  position: relative;
  aspect-ratio: 4 / 4.6;
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg, rgba(166, 42, 35, 0.05) 0 2px, transparent 2px 9px),
    linear-gradient(160deg, #faf0dd, #f1dcbc);
}

.teacher-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.4s ease;
}

.teacher-card:hover .teacher-photo img {
  transform: scale(1.04);
}

.teacher-photo .mono {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(166, 42, 35, 0.3);
  font-family: var(--serif);
  font-size: 64px;
  font-weight: 600;
}

.teacher-info {
  padding: 20px 22px 22px;
  border-top: 1px solid var(--line);
}

.teacher-info .role {
  color: var(--red);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.teacher-info h3 {
  margin-top: 8px;
  font-size: 22px;
}

.teacher-info p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 12.5px;
  line-height: 1.85;
}

/* ---------- Bento ---------- */

.bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.bento-card {
  position: relative;
  overflow: hidden;
  padding: 34px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(8px);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(166, 42, 35, 0.35);
  box-shadow: 0 24px 56px rgba(60, 45, 25, 0.1);
}

.bento-card .num {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.bento-card h3 {
  margin-top: 18px;
  font-size: 25px;
  line-height: 1.4;
}

.bento-card p {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.95;
}

.bento-card .glow {
  position: absolute;
  top: -70px;
  right: -70px;
  width: 230px;
  height: 230px;
  background: radial-gradient(closest-side, rgba(239, 211, 177, 0.55), transparent);
  pointer-events: none;
}

.span-7 { grid-column: span 7; }
.span-5 { grid-column: span 5; }

.bento-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.bento-tags span {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 11.5px;
}

/* ---------- 产品 ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 40px 38px 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(620px 260px at 92% -18%, rgba(239, 211, 177, 0.5), transparent 70%),
    var(--white);
  box-shadow: 0 18px 48px rgba(60, 45, 25, 0.07);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  border-color: rgba(166, 42, 35, 0.4);
  box-shadow: 0 30px 70px rgba(60, 45, 25, 0.13);
}

.product-card h3 {
  margin-top: 20px;
  font-size: 34px;
}

.product-card .slogan {
  margin-top: 8px;
  color: var(--red);
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.product-card .desc {
  margin-top: 16px;
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 2;
}

.product-meta {
  margin-top: 24px;
  border-top: 1px solid var(--line);
}

.product-meta div {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
}

.product-meta span:first-child {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 12px;
  white-space: nowrap;
}

.product-meta span:last-child {
  text-align: right;
}

.product-price {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-top: 22px;
}

.product-price strong {
  color: var(--red);
  font-family: var(--mono);
  font-size: 36px;
  font-weight: 600;
}

.product-price .unit {
  color: var(--ink-soft);
  font-size: 13px;
}

.product-price s {
  color: var(--ink-faint);
  font-size: 13px;
}

.product-card .button {
  align-self: flex-start;
  margin-top: 26px;
}

/* ---------- 案例 ---------- */

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.case-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: 0 16px 44px rgba(60, 45, 25, 0.06);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.case-card:hover {
  transform: translateY(-5px);
  border-color: rgba(166, 42, 35, 0.35);
  box-shadow: 0 30px 68px rgba(60, 45, 25, 0.12);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-soft);
}

.browser-bar i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--line-strong);
}

.browser-bar i:first-child {
  background: rgba(210, 64, 47, 0.75);
}

.browser-bar .url {
  margin-left: 10px;
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 11px;
  overflow-wrap: anywhere;
}

.case-media {
  display: block;
  aspect-ratio: 1800 / 767;
  overflow: hidden;
  background: #faf6ec;
}

.case-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  transition: transform 0.45s ease;
}

.case-card:hover .case-media img {
  transform: scale(1.025);
}

.case-content {
  padding: 24px 28px 28px;
}

.case-content h3 {
  font-size: 23px;
}

.case-content p {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.9;
}

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  color: var(--red);
  font-family: var(--mono);
  font-size: 12.5px;
}

.case-link::after {
  content: "→";
  transition: transform 0.2s ease;
}

.case-card:hover .case-link::after {
  transform: translateX(4px);
}

/* ---------- 时间线 ---------- */

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
  margin-top: 10px;
}

.timeline-line {
  position: absolute;
  top: 7px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--red), rgba(200, 157, 94, 0.5) 70%, transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.4s ease;
}

.timeline.in .timeline-line {
  transform: scaleX(1);
}

.timeline-step {
  position: relative;
  padding-top: 30px;
}

.timeline-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 15px;
  height: 15px;
  border: 2px solid var(--red);
  border-radius: 50%;
  background: var(--bg);
}

.timeline-step .num {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.timeline-step h3 {
  margin-top: 8px;
  font-size: 19px;
  white-space: nowrap;
}

.timeline-step p {
  margin-top: 6px;
  color: var(--ink-soft);
  font-size: 12.5px;
  line-height: 1.8;
}

/* ---------- 使命 ---------- */

.mission {
  position: relative;
  overflow: hidden;
  padding: 120px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    repeating-linear-gradient(135deg, rgba(166, 42, 35, 0.02) 0 2px, transparent 2px 11px),
    var(--bg-soft);
  text-align: center;
}

.mission h2 {
  max-width: 820px;
  margin: 22px auto 0;
  font-size: 44px;
  line-height: 1.5;
}

.mission h2 .grad {
  background: linear-gradient(100deg, var(--red) 16%, var(--gold) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mission p {
  max-width: 560px;
  margin: 20px auto 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 2;
}

/* ---------- CTA / 页脚 ---------- */

.closing {
  padding: 110px 0 100px;
  text-align: center;
}

.closing h2 {
  margin-top: 18px;
  font-size: 48px;
  line-height: 1.35;
}

.closing p {
  max-width: 540px;
  margin: 20px auto 0;
  color: var(--ink-soft);
  font-size: 15.5px;
  line-height: 2;
}

.footer {
  padding: 30px 0;
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  align-items: baseline;
  justify-content: space-between;
  color: var(--ink-faint);
  font-size: 12.5px;
}

.footer-inner .mono-tag {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
}

/* ---------- 渐入 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track, .aurora i, .hero-badge i { animation: none; }
  .timeline-line { transform: scaleX(1); transition: none; }
}

/* ---------- 响应式 ---------- */

@media (max-width: 1020px) {
  :root { --gutter: 28px; }

  .nav-links a:not(.cta) { display: none; }

  .hero h1 { font-size: 54px; }

  .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-stat:nth-child(2) { border-right: 0; }
  .hero-stat:nth-child(n + 3) { border-top: 1px solid var(--line); }

  .section-head h2 { font-size: 34px; }

  .bento { grid-template-columns: 1fr; }
  .span-7, .span-5 { grid-column: auto; }

  .product-grid, .case-grid { grid-template-columns: 1fr; }

  .timeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timeline-line { display: none; }

  .teacher-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .mission h2, .closing h2 { font-size: 32px; }
}

@media (max-width: 620px) {
  :root { --gutter: 18px; }
  .hero { padding-top: 76px; }
  .hero h1 { font-size: 40px; }
  .teacher-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
}

/* ---------- 详情页组件（亮色科技版） ---------- */

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.panel-card {
  position: relative;
  overflow: hidden;
  padding: 32px 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(8px);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.panel-card:hover {
  transform: translateY(-4px);
  border-color: rgba(166, 42, 35, 0.35);
  box-shadow: 0 24px 56px rgba(60, 45, 25, 0.1);
}

.panel-card .num {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.18em;
}

.panel-card h3 {
  margin-top: 16px;
  font-size: 24px;
  line-height: 1.45;
}

.panel-card p {
  margin-top: 12px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.95;
}

.day-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.day-card {
  padding: 32px 32px 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 16px 44px rgba(60, 45, 25, 0.06);
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.day-card:hover {
  transform: translateY(-4px);
  border-color: rgba(166, 42, 35, 0.35);
  box-shadow: 0 26px 60px rgba(60, 45, 25, 0.11);
}

.day-card .date {
  color: var(--red);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.day-card h3 {
  margin-top: 12px;
  font-size: 23px;
  line-height: 1.4;
}

.day-card ul,
.dot-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  list-style: none;
}

.day-card li,
.dot-list li {
  position: relative;
  padding-left: 16px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.day-card li::before,
.dot-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
}

.service-rows {
  border-top: 1px solid var(--line);
}

.service-row {
  display: grid;
  grid-template-columns: 88px 300px 1fr;
  gap: 28px;
  align-items: baseline;
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.service-row .num {
  color: var(--red);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
}

.service-row h3 {
  font-size: 23px;
  line-height: 1.4;
}

.service-row p {
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.95;
}

.faq-list {
  max-width: 780px;
  border-top: 1px solid var(--line);
}

.faq-row {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.faq-row h3 {
  font-size: 18px;
  line-height: 1.5;
}

.faq-row p {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.85;
}

.teacher-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 760px;
}

.contact-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(8px);
  box-shadow: 0 18px 48px rgba(60, 45, 25, 0.07);
  text-align: left;
}

.contact-row {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 24px;
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
}

.contact-row:last-child {
  border-bottom: 0;
}

.contact-row .label {
  color: var(--ink-faint);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.contact-row h3 {
  margin-bottom: 6px;
  font-size: 19px;
}

.contact-row p {
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.8;
}

.closing-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 64px;
  align-items: center;
  text-align: left;
}

@media (max-width: 1020px) {
  .tool-grid,
  .audience-grid,
  .day-grid,
  .closing-grid {
    grid-template-columns: 1fr;
  }

  .teacher-grid.two {
    grid-template-columns: 1fr;
  }

  .service-row {
    grid-template-columns: 64px 1fr;
  }

  .service-row p {
    grid-column: 2;
  }
}

@media (max-width: 620px) {
  .service-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .service-row p {
    grid-column: 1;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}

/* ---------- 首屏导师阵列（无框 底部渐隐） ---------- */

.lineup {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 20px;
  max-width: 1000px;
  margin: 70px auto 0;
}

.lineup-figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  margin: 0;
}

.lineup-photo {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: 330px;
}

.lineup-photo img {
  height: 100%;
  width: auto;
  -webkit-mask-image: linear-gradient(to top, transparent 0, #000 26%);
  mask-image: linear-gradient(to top, transparent 0, #000 26%);
  filter: drop-shadow(0 18px 34px rgba(60, 45, 25, 0.18));
}

.lineup-photo img + .mono {
  display: none;
}

.lineup-photo .mono {
  display: grid;
  place-items: center;
  align-self: flex-end;
  width: 188px;
  height: 296px;
  border-radius: 110px 110px 0 0;
  background: linear-gradient(to top, rgba(166, 42, 35, 0.02), rgba(166, 42, 35, 0.12));
  -webkit-mask-image: linear-gradient(to top, transparent 0, #000 30%);
  mask-image: linear-gradient(to top, transparent 0, #000 30%);
  color: rgba(166, 42, 35, 0.38);
  font-family: var(--serif);
  font-size: 54px;
  font-weight: 600;
}

.lineup-figure figcaption {
  margin-top: 14px;
  text-align: center;
}

.lineup-figure figcaption strong {
  display: block;
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 600;
}

.lineup-figure figcaption span {
  display: block;
  margin-top: 3px;
  color: var(--ink-faint);
  font-size: 12px;
  line-height: 1.6;
}

@media (max-width: 1020px) {
  .lineup {
    gap: 10px;
  }

  .lineup-photo {
    height: 230px;
  }

  .lineup-photo .mono {
    width: 130px;
    height: 206px;
    font-size: 40px;
  }

  .lineup-figure figcaption strong {
    font-size: 16px;
  }

  .lineup-figure figcaption span {
    font-size: 11px;
  }
}

@media (max-width: 620px) {
  .lineup {
    flex-wrap: wrap;
    gap: 4px 14px;
  }

  .lineup-figure {
    flex: 0 0 44%;
  }

  .lineup-photo {
    height: 200px;
  }
}

/* 导师卡：照片加载成功时隐藏占位字 */
.teacher-photo img + .mono {
  display: none;
}

/* ---------- 首屏导师阵列：详细介绍版脚注 ---------- */

.lineup {
  gap: 26px;
  max-width: 1100px;
  align-items: flex-end;
}

.lineup-figure {
  flex: 1;
}

.lineup-figure figcaption {
  max-width: 250px;
  margin-left: auto;
  margin-right: auto;
}

.lineup-figure figcaption span {
  color: var(--red);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lineup-figure figcaption p {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 12.5px;
  line-height: 1.9;
  text-align: justify;
}

@media (max-width: 620px) {
  .lineup-figure {
    flex: 0 0 100%;
  }

  .lineup-figure figcaption {
    max-width: 320px;
  }

  .lineup-photo {
    height: 240px;
  }
}

.lineup-figure figcaption strong {
  margin-top: 6px;
  font-size: 20px;
}

/* 卡片标题：允许中文正常折行，三列卡标题固定两行高保持水平对齐 */
.panel-card h3 {
  word-break: normal;
  overflow-wrap: break-word;
}

.audience-grid .panel-card h3 {
  min-height: 2.9em;
}

/* 产品卡：参数表/价格/按钮锚定底部，两卡水平对齐 */
.product-card .desc {
  margin-bottom: 24px;
}

.product-card .product-meta {
  margin-top: auto;
}

/* 收尾 CTA：上下留白平衡，不再贴底 */
.closing {
  padding: 72px 0 150px;
}