@font-face {
  font-family: "Bootcamp Sans";
  src: url("/assets/learning/NotoSansSC-poster-subset.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --night: #061626;
  --night-2: #0b2538;
  --paper: #f4f0e8;
  --paper-2: #e8e1d6;
  --white: #fffdf9;
  --ink: #152128;
  --ink-soft: #58636a;
  --cyan: #4bb9d0;
  --cyan-light: #78d7ea;
  --gold: #e9a944;
  --gold-light: #ffd58d;
  --teal: #164f57;
  --line: #c9c4ba;
  --max: 1180px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--paper);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Bootcamp Sans", "Microsoft YaHei", "PingFang SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

.course-shell {
  width: min(var(--max), calc(100% - 48px));
  margin: 0 auto;
}

.course-nav {
  position: sticky;
  top: 0;
  z-index: 30;
  min-height: 66px;
  padding: 0 max(24px, calc((100% - var(--max)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: #eef7fa;
  border-bottom: 1px solid rgba(120, 215, 234, .25);
  background: rgba(6, 22, 38, .96);
  backdrop-filter: blur(14px);
}

.course-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: none;
  font-size: 17px;
  font-weight: 800;
}

.course-brand > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

.course-nav nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 13px;
}

.course-nav nav a { color: #c7d8df; }

.course-nav nav a:hover,
.course-nav nav a:focus-visible { color: #fff; outline: none; }

.course-nav nav button {
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid var(--gold);
  border-radius: 4px;
  color: var(--night);
  background: var(--gold);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.course-nav nav button:hover,
.course-nav nav button:focus-visible {
  background: var(--gold-light);
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.course-hero {
  position: relative;
  min-height: 620px;
  overflow: hidden;
  color: #f6fbff;
  background: var(--night) url("/assets/learning/hero-mountains.webp") center / cover no-repeat;
}

.course-hero-overlay,
.course-cta-overlay {
  position: absolute;
  inset: 0;
  background: rgba(4, 18, 34, .72);
}

.course-hero-content {
  position: relative;
  z-index: 1;
  min-height: 620px;
  padding-top: 40px;
  padding-bottom: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.course-kicker {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
}

.course-kicker-bright { color: var(--cyan-light); }

.course-hero h1 {
  margin: 0;
  font-size: 82px;
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: 0;
}

.course-hero h1 span {
  display: block;
  color: var(--gold-light);
}

.course-hero h1 small {
  margin-left: 12px;
  color: #f6fbff;
  font-size: 22px;
  font-weight: 800;
  vertical-align: .28em;
}

.course-lead {
  margin: 18px 0 0;
  color: #f7fbff;
  font-size: 26px;
  line-height: 1.5;
  font-weight: 750;
}

.course-note {
  margin: 7px 0 0;
  color: #bfd0dc;
  font-size: 17px;
  line-height: 1.65;
}

.hero-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions a,
.hero-actions button,
.course-cta-content button,
.course-cta-content a {
  min-height: 48px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, .55);
  border-radius: 4px;
  color: #f5fbff;
  background: rgba(6, 22, 38, .55);
  cursor: pointer;
  font-size: 14px;
  font-weight: 750;
}

.hero-actions .primary-action,
.course-cta-content .primary-action {
  border-color: var(--gold);
  color: var(--night);
  background: var(--gold);
}

.hero-actions a:hover,
.hero-actions a:focus-visible,
.hero-actions button:hover,
.hero-actions button:focus-visible,
.course-cta-content button:hover,
.course-cta-content button:focus-visible,
.course-cta-content a:hover,
.course-cta-content a:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.project-proof {
  width: min(760px, 100%);
  margin-top: 27px;
  padding: 15px 0 0;
  border-top: 1px solid rgba(120, 215, 234, .55);
}

.project-proof > p {
  margin: 0 0 12px;
  color: #bfe9f2;
  font-size: 13px;
  font-weight: 750;
}

.project-proof dl {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.project-proof dl > div {
  padding: 0 28px;
  border-left: 1px solid rgba(190, 230, 239, .3);
}

.project-proof dl > div:first-child { padding-left: 0; border-left: 0; }

.project-proof dt {
  color: var(--gold-light);
  font-size: 40px;
  line-height: 1.1;
  font-weight: 900;
}

.project-proof dd {
  margin: 7px 0 0;
  color: #e6f0f4;
  font-size: 14px;
}

.course-section { padding: 92px 0; }

.section-heading {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  margin-bottom: 30px;
}

.section-heading > span {
  padding-top: 4px;
  color: var(--cyan);
  font-size: 22px;
  line-height: 1;
  font-weight: 900;
}

.section-heading h2 {
  margin: 0;
  font-size: 42px;
  line-height: 1.25;
  font-weight: 850;
  letter-spacing: 0;
}

.section-intro {
  margin: -12px 0 36px 78px;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.7;
}

.audience-section { background: var(--paper); }

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

.audience-grid article {
  min-height: 190px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.audience-grid small {
  color: var(--teal);
  font-size: 12px;
  font-weight: 850;
}

.audience-grid h3 {
  margin: 36px 0 0;
  font-size: 24px;
  line-height: 1.55;
  font-weight: 750;
}

.module-section {
  color: #edf7fa;
  background: var(--teal);
}

.section-heading-dark > span,
.module-section .course-kicker { color: var(--gold-light); }

.section-intro-dark { color: #c5d9dc; }

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

.module-grid article {
  min-height: 250px;
  padding: 30px;
  display: grid;
  grid-template-columns: 54px 1fr;
  grid-template-rows: auto auto 1fr;
  gap: 14px 18px;
  border: 1px solid rgba(148, 219, 230, .42);
  border-radius: 6px;
  background: rgba(5, 34, 42, .35);
}

.module-number {
  grid-row: 1 / 3;
  width: 50px;
  height: 50px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  color: var(--night);
  background: var(--gold-light);
  font-size: 18px;
  font-weight: 900;
}

.module-grid h3 {
  margin: 0;
  align-self: center;
  font-size: 25px;
  line-height: 1.35;
  font-weight: 800;
}

.module-grid p {
  grid-column: 2;
  margin: 0;
  color: #d0e1e4;
  font-size: 16px;
  line-height: 1.65;
}

.module-grid strong {
  grid-column: 1 / -1;
  align-self: end;
  padding-top: 20px;
  border-top: 1px solid rgba(147, 221, 232, .28);
  color: var(--cyan-light);
  font-size: 15px;
}

.syllabus-section { background: #eef2f0; }

.course-spine {
  margin: -4px 0 34px 78px;
  padding: 26px 30px;
  border-left: 4px solid var(--gold);
  background: rgba(255, 253, 249, .72);
}

.course-spine h3 {
  margin: 0;
  font-size: 25px;
  line-height: 1.4;
}

.course-spine > p:last-child {
  margin: 10px 0 0;
  color: #445258;
  font-size: 16px;
  line-height: 1.8;
}

.course-spine strong { color: #9e5814; }

.syllabus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.syllabus-card {
  padding: 38px;
  border: 1px solid #bdc8c5;
  border-radius: 6px;
  background: var(--white);
}

.syllabus-card header {
  display: flex;
  align-items: center;
  gap: 16px;
}

.syllabus-card header > span {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  flex: none;
  border: 1px solid var(--cyan);
  border-radius: 4px;
  color: var(--teal);
  font-size: 17px;
  font-weight: 900;
}

.syllabus-card h3 {
  margin: 0;
  font-size: 27px;
  line-height: 1.35;
  font-weight: 820;
}

.syllabus-goal {
  margin-top: 26px;
  padding: 20px 22px;
  border-left: 3px solid var(--cyan);
  background: #f1f5f3;
}

.syllabus-label {
  margin: 0;
  color: #a85d13;
  font-size: 13px;
  font-weight: 850;
}

.syllabus-goal > p:last-child {
  margin: 8px 0 0;
  color: #39474c;
  font-size: 16px;
  line-height: 1.75;
}

.syllabus-block { margin-top: 28px; }

.syllabus-topics {
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  list-style: none;
  counter-reset: syllabus-topic;
  border-top: 1px solid #d5dad6;
}

.syllabus-topics li {
  position: relative;
  min-height: 66px;
  padding: 17px 0 17px 48px;
  border-bottom: 1px solid #d5dad6;
  color: #39474c;
  font-size: 15px;
  line-height: 1.75;
  counter-increment: syllabus-topic;
}

.syllabus-topics li::before {
  content: counter(syllabus-topic, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
}

.syllabus-topics strong { color: #17292f; }

.syllabus-results {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid #d5dad6;
}

.syllabus-results > div { padding: 20px 22px; }
.syllabus-results > div + div { border-left: 1px solid #d5dad6; }

.syllabus-results b {
  color: #a85d13;
  font-size: 13px;
}

.syllabus-results p {
  margin: 8px 0 0;
  color: #39474c;
  font-size: 15px;
  line-height: 1.7;
}

.prep-note {
  margin-top: 34px;
  padding: 28px 0 0;
  display: grid;
  grid-template-columns: minmax(220px, .65fr) minmax(0, 1.35fr);
  gap: 48px;
  border-top: 1px solid #aab8b4;
}

.prep-note h3 {
  margin: 0;
  font-size: 24px;
}

.prep-note > p {
  margin: 0;
  color: #445258;
  font-size: 16px;
  line-height: 1.8;
}

.live-section { background: var(--paper-2); }

.live-list {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
  border-top: 1px solid #9f9b94;
  border-bottom: 1px solid #9f9b94;
}

.live-list li {
  min-height: 205px;
  padding: 28px 22px;
  border-right: 1px solid #b8b1a7;
}

.live-list li:last-child { border-right: 0; }

.live-list span {
  color: var(--teal);
  font-size: 12px;
  font-weight: 850;
}

.live-list h3 {
  margin: 34px 0 0;
  color: #9d5a13;
  font-size: 24px;
  line-height: 1.3;
}

.live-list p {
  margin: 11px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.55;
}

.gains-section { color: #eff8f6; background: var(--night-2); }

.gains-layout {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  gap: 72px;
  align-items: center;
}

.gains-layout .course-kicker { color: var(--cyan-light); }

.gains-layout h2 {
  margin: 0;
  font-size: 44px;
  line-height: 1.45;
  font-weight: 850;
}

.gains-layout ul {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  list-style: none;
}

.gains-layout li {
  min-height: 88px;
  padding: 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid rgba(126, 210, 220, .32);
  border-radius: 6px;
  color: #edf6f5;
  font-size: 15px;
  line-height: 1.55;
  font-weight: 700;
}

.gains-layout li span {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  flex: none;
  border-radius: 4px;
  color: var(--night);
  background: var(--gold-light);
  font-size: 14px;
  font-weight: 900;
}

.enrollment-section { background: #f1e8d8; }

.enrollment-layout {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: 72px;
  align-items: start;
}

.enrollment-facts {
  margin: 0;
  border-top: 1px solid #9f9789;
}

.enrollment-facts > div {
  min-height: 104px;
  padding: 22px 0;
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  border-bottom: 1px solid #b9b0a1;
}

.enrollment-facts dt {
  color: #75521f;
  font-size: 13px;
  font-weight: 850;
}

.enrollment-facts dd {
  margin: 0;
  color: #17292f;
  font-size: 22px;
  line-height: 1.5;
  font-weight: 750;
}

.enrollment-facts dd strong {
  margin-right: 5px;
  color: #a94d24;
  font-size: 42px;
  line-height: 1;
}

.enrollment-facts dd span {
  color: var(--ink-soft);
  font-size: 15px;
  font-weight: 650;
}

.enrollment-guarantee {
  padding: 30px;
  border: 1px solid #b9b0a1;
  background: rgba(255, 253, 249, .6);
}

.enrollment-guarantee h3 {
  margin: 0;
  font-size: 29px;
}

.enrollment-guarantee ol {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.enrollment-guarantee li {
  padding: 18px 0;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  border-top: 1px solid #c8beaf;
}

.enrollment-guarantee li > span {
  color: #a94d24;
  font-size: 12px;
  font-weight: 900;
}

.enrollment-guarantee li p {
  margin: 0;
  color: #344247;
  font-size: 16px;
  line-height: 1.75;
}

.enrollment-link {
  min-height: 52px;
  margin-top: 32px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid #a94d24;
  border-radius: 4px;
  color: #fff;
  background: #a94d24;
  font-size: 15px;
  font-weight: 800;
}

.enrollment-link:hover,
.enrollment-link:focus-visible {
  color: #fff;
  background: #873816;
  outline: 2px solid #17292f;
  outline-offset: 3px;
}

.course-cta {
  position: relative;
  min-height: 510px;
  overflow: hidden;
  color: #f7fbff;
  background: var(--night) url("/assets/learning/hero-mountains.webp") center 75% / cover no-repeat;
}

.course-cta-overlay { background: rgba(4, 18, 34, .8); }

.course-cta-content {
  position: relative;
  z-index: 1;
  min-height: 510px;
  padding-top: 76px;
  padding-bottom: 76px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.course-cta-content h2 {
  margin: 0;
  max-width: 760px;
  font-size: 54px;
  line-height: 1.38;
  font-weight: 900;
}

.course-cta-content > div {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.course-footer {
  padding: 28px 0;
  color: #9fb3bd;
  background: #03101c;
  font-size: 12px;
}

.course-footer .course-shell {
  display: flex;
  justify-content: space-between;
  gap: 24px;
}

.enroll-dialog {
  width: min(430px, calc(100% - 28px));
  padding: 32px;
  border: 0;
  border-radius: 6px;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 32px 100px rgba(0, 0, 0, .34);
}

.enroll-dialog::backdrop { background: rgba(3, 12, 20, .78); }

.enroll-dialog form { margin: 0; }

.dialog-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 40px;
  height: 40px;
  border: 0;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  font-size: 28px;
  line-height: 1;
}

.dialog-close:hover,
.dialog-close:focus-visible { color: #a8431f; outline: 2px solid #a8431f; }

.enroll-dialog h2 {
  margin: 0;
  font-size: 30px;
}

.enroll-dialog > p:not(.course-kicker) {
  margin: 12px 0 20px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.7;
}

.qr-frame {
  width: min(300px, 100%);
  margin: 0 auto 18px;
  padding: 10px;
  border: 1px solid var(--line);
  background: #fff;
}

.qr-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1;
  object-fit: contain;
}

.enroll-dialog > a {
  display: block;
  color: #a8431f;
  font-size: 14px;
  font-weight: 750;
  text-align: center;
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 920px) {
  .course-hero h1 { font-size: 76px; }
  .course-lead { font-size: 25px; }
  .audience-grid { grid-template-columns: 1fr; }
  .audience-grid article { min-height: 150px; }
  .audience-grid h3 { margin-top: 24px; }
  .module-grid,
  .syllabus-grid { grid-template-columns: 1fr; }
  .live-list { grid-template-columns: repeat(2, 1fr); }
  .live-list li:nth-child(2) { border-right: 0; }
  .live-list li:nth-child(-n+2) { border-bottom: 1px solid #b8b1a7; }
  .gains-layout { grid-template-columns: 1fr; gap: 42px; }
  .enrollment-layout { grid-template-columns: 1fr; gap: 38px; }
}

@media (max-width: 640px) {
  .course-shell { width: min(100% - 28px, var(--max)); }
  .course-nav { min-height: 60px; padding: 0 14px; gap: 10px; }
  .course-brand { font-size: 14px; }
  .course-nav nav { gap: 12px; }
  .course-nav nav a { font-size: 12px; }
  .course-nav nav a:nth-child(2) { display: none; }
  .course-nav nav button { min-height: 36px; padding: 0 11px; font-size: 12px; }
  .course-hero,
  .course-hero-content { min-height: 720px; }
  .course-hero-content { padding-top: 46px; padding-bottom: 32px; }
  .course-hero h1 { font-size: 55px; }
  .course-hero h1 small { margin-left: 8px; font-size: 17px; }
  .course-lead { margin-top: 22px; font-size: 21px; }
  .course-note { font-size: 15px; }
  .hero-actions { margin-top: 24px; }
  .hero-actions a,
  .hero-actions button { padding: 0 14px; }
  .project-proof { margin-top: 34px; }
  .project-proof dl > div { padding: 0 12px; }
  .project-proof dt { font-size: 30px; }
  .project-proof dd { font-size: 12px; }
  .course-section { padding: 64px 0; }
  .section-heading { grid-template-columns: 42px minmax(0, 1fr); gap: 10px; }
  .section-heading > span { font-size: 17px; }
  .section-heading h2 { font-size: 31px; }
  .section-intro { margin-left: 52px; font-size: 15px; }
  .audience-grid article { padding: 24px; }
  .audience-grid h3 { font-size: 21px; }
  .module-grid article { min-height: 230px; padding: 24px; grid-template-columns: 46px 1fr; gap: 12px 14px; }
  .module-number { width: 42px; height: 42px; font-size: 15px; }
  .module-grid h3 { font-size: 23px; }
  .course-spine { margin: 0 0 26px; padding: 22px 20px; }
  .course-spine h3 { font-size: 22px; }
  .course-spine > p:last-child { font-size: 15px; }
  .syllabus-card { padding: 24px 20px; }
  .syllabus-card header { align-items: flex-start; }
  .syllabus-card h3 { font-size: 22px; }
  .syllabus-goal { padding: 18px; }
  .syllabus-goal > p:last-child { font-size: 15px; }
  .syllabus-topics li { padding: 15px 0 15px 40px; font-size: 14px; }
  .syllabus-topics li::before { top: 16px; }
  .syllabus-results { grid-template-columns: 1fr; }
  .syllabus-results > div { padding: 18px; }
  .syllabus-results > div + div { border-top: 1px solid #d5dad6; border-left: 0; }
  .prep-note { grid-template-columns: 1fr; gap: 14px; }
  .prep-note > p { font-size: 15px; }
  .live-list { grid-template-columns: 1fr; }
  .live-list li,
  .live-list li:nth-child(2) { min-height: 150px; border-right: 0; border-bottom: 1px solid #b8b1a7; }
  .live-list li:last-child { border-bottom: 0; }
  .live-list h3 { margin-top: 22px; }
  .gains-layout h2 { font-size: 34px; }
  .gains-layout ul { grid-template-columns: 1fr; }
  .gains-layout li { min-height: 72px; }
  .enrollment-facts > div { grid-template-columns: 92px minmax(0, 1fr); gap: 12px; }
  .enrollment-facts dd { font-size: 18px; }
  .enrollment-facts dd strong { font-size: 35px; }
  .enrollment-guarantee { padding: 24px 20px; }
  .enrollment-guarantee h3 { font-size: 25px; }
  .enrollment-link { width: 100%; justify-content: center; }
  .course-cta,
  .course-cta-content { min-height: 480px; }
  .course-cta-content h2 { font-size: 39px; }
  .course-footer .course-shell { flex-direction: column; gap: 6px; }
  .enroll-dialog { padding: 28px 20px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}