:root {
  --redesign-ink: #161919;
  --redesign-paper: #fbfaf7;
  --redesign-white: #ffffff;
  --redesign-line: #e0dfd8;
  --redesign-muted: #6f706c;
  --redesign-red: #cf0915;
  --redesign-gold: #b18442;
  --redesign-warm: #f4f1ea;
}

.course-page { color: var(--redesign-ink); background: var(--redesign-paper); }
.course-page .course-wrap { width: min(1280px, calc(100% - 64px)); margin: 0 auto; }
.course-page .topbar { border-bottom: 1px solid rgba(20, 23, 23, .06); background: rgba(255, 255, 255, .96); }
.course-page .course-nav { height: 76px; }
.course-brand { display: inline-flex; align-items: center; gap: 11px; }
.course-brand img { display: block; width: 34px; height: 34px; border-radius: 8px; object-fit: cover; }
.course-brand span { display: grid; gap: 1px; }
.course-brand strong { color: var(--redesign-ink); font-size: 23px; font-weight: 900; line-height: 1; }
.course-brand small { color: #777a7b; font-size: 12px; line-height: 1.2; }

.course-redesign-hero { color: #fff; background: #151719 url("course-hero-map-texture.png") center / cover no-repeat; }
.course-redesign-hero-inner { min-height: 176px; padding: 27px 0 29px; }
.course-redesign-kicker { margin: 0 0 10px; color: #deb668; font-size: 14px; font-weight: 800; letter-spacing: .07em; }
.course-redesign-hero h1 { margin: 0; max-width: none; font-size: clamp(38px, 4.4vw, 52px); letter-spacing: -.04em; line-height: 1.1; }
.course-redesign-title-rule { display: block; width: 39px; height: 3px; margin: 17px 0; background: var(--redesign-red); }
.course-redesign-hero-subtitle { margin: 0; color: rgba(255,255,255,.78); font-size: 18px; font-weight: 700; letter-spacing: .02em; }

.course-redesign-map { padding: 36px 0 38px; border-bottom: 1px solid var(--redesign-line); }
.course-redesign-map-heading { display: grid; grid-template-columns: minmax(80px, 1fr) auto minmax(80px, 1fr); align-items: center; gap: 28px; margin: 0 0 27px; }
.course-redesign-map-heading span { height: 1px; background: var(--redesign-line); }
.course-redesign-map-heading h2 { margin: 0; color: #282a29; font-size: 21px; line-height: 1.35; letter-spacing: -.015em; }
.course-redesign-map-heading h2::after { display: block; width: 41px; height: 3px; margin: 12px auto 0; background: var(--redesign-red); content: ""; }
.course-redesign-map-grid { position: relative; display: grid; grid-template-columns: minmax(255px, .9fr) minmax(440px, 1.42fr) minmax(255px, .9fr); align-items: start; min-height: 404px; }
.course-redesign-map-grid > section { min-width: 0; }
.course-redesign-path, .course-redesign-outputs { border-left: 1px solid var(--redesign-line); }
.course-redesign-problems { padding-right: 42px; }
.course-redesign-path { padding: 0 48px; }
.course-redesign-outputs { padding-left: 42px; }
.course-redesign-section-label { display: flex; align-items: baseline; gap: 13px; padding-bottom: 2px; }
.course-redesign-section-label p { margin: 0; color: var(--redesign-red); font-size: 13px; font-weight: 900; letter-spacing: .1em; }
.course-redesign-section-label h2 { margin: 0; color: #212323; font-size: 24px; line-height: 1.25; }
.course-redesign-section-lead { min-height: 40px; margin: 8px 0 14px; color: var(--redesign-muted); font-size: 13px; line-height: 1.58; }
.course-redesign-signal-list, .course-redesign-output-list { display: grid; gap: 10px; }
.course-redesign-signal, .course-redesign-output-list article { display: grid; grid-template-columns: 43px minmax(0, 1fr); align-items: center; gap: 12px; min-height: 73px; padding: 10px 13px; border: 1px solid #e2e0da; border-radius: 9px; background: linear-gradient(135deg, #fff 0%, #fcfbf8 100%); box-shadow: 0 5px 16px rgba(25, 28, 27, .025); }
.course-redesign-signal > i, .course-redesign-output-list i { display: grid; width: 35px; height: 35px; place-items: center; border: 1px solid #d3d2cc; border-radius: 50%; color: #232525; background: #fff; font-size: 15px; }
.course-redesign-signal h3, .course-redesign-output-list h3 { margin: 0 0 3px; color: #212323; font-size: 15px; line-height: 1.3; }
.course-redesign-signal p, .course-redesign-output-list p { margin: 0; color: var(--redesign-muted); font-size: 12.5px; line-height: 1.5; }

.course-redesign-node-list { position: relative; display: grid; gap: 9px; margin: 0; padding: 0; list-style: none; }
.course-redesign-node-list::before { position: absolute; top: 34px; bottom: 35px; left: 40px; width: 1px; background: #cac9c3; content: ""; }
.course-redesign-node-list li { position: relative; display: grid; grid-template-columns: 55px minmax(0, 1fr) 39px; align-items: center; gap: 11px; min-height: 73px; padding: 8px 11px 8px 0; border-top: 1px solid var(--redesign-line); }
.course-redesign-node-list li:last-child { border-bottom: 1px solid var(--redesign-line); }
.course-redesign-node-list span { z-index: 1; display: inline-flex; align-items: center; height: 32px; color: var(--redesign-red); background: var(--redesign-paper); font-size: 24px; font-weight: 900; letter-spacing: -.04em; }
.course-redesign-node-list h3 { margin: 0 0 3px; font-size: 16px; line-height: 1.3; }
.course-redesign-node-list p { margin: 0; color: var(--redesign-muted); font-size: 12.5px; line-height: 1.5; }
.course-redesign-node-list i { display: grid; width: 35px; height: 35px; place-items: center; border: 1px solid #d3d2cc; border-radius: 50%; color: #252727; background: #fff; font-size: 14px; }
.course-redesign-path-foot { display: flex; width: max-content; align-items: center; gap: 8px; margin: 9px auto 0; padding: 6px 11px; color: #3b3c39; background: #e9e6de; font-size: 12px; font-weight: 800; }
.course-redesign-path-foot i { color: #77746d; }
.course-redesign-map-arrow { display: none; }
.course-redesign-map-arrow-first { left: calc(30.2% - 13px); }
.course-redesign-map-arrow-second { left: calc(69.8% - 13px); }

.course-redesign-prepare { border-bottom: 1px solid var(--redesign-line); background: #fff; }
.course-redesign-prepare-inner { display: grid; grid-template-columns: 186px minmax(0, 1fr); gap: 28px; min-height: 132px; align-items: center; }
.course-redesign-prepare-title { align-self: stretch; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--redesign-line); }
.course-redesign-prepare-title p { margin: 0 0 3px; color: var(--redesign-red); font-size: 12px; font-weight: 800; }
.course-redesign-prepare-title h2 { margin: 0; font-size: 26px; line-height: 1.2; }
.course-redesign-prepare ul { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; padding: 0; list-style: none; }
.course-redesign-prepare li { display: grid; grid-template-columns: 37px minmax(0, 1fr); gap: 10px; min-height: 66px; padding: 4px 17px; border-right: 1px solid var(--redesign-line); }
.course-redesign-prepare li:last-child { border-right: 0; }
.course-redesign-prepare i { display: grid; width: 28px; height: 28px; place-items: center; border: 1px solid #d4d3ce; border-radius: 50%; color: #282a2a; background: var(--redesign-paper); font-size: 12px; }
.course-redesign-prepare strong { display: block; color: #282a2a; font-size: 13px; line-height: 1.4; }
.course-redesign-prepare li span { display: block; margin-top: 3px; color: var(--redesign-muted); font-size: 11px; line-height: 1.5; }

.course-redesign-primary-cta { padding: 0 0 62px; background: #fff; }
.course-redesign-primary-cta-inner { display: flex; min-height: 113px; align-items: center; justify-content: space-between; gap: 32px; padding: 22px 36px; border-radius: 6px; color: #fff; background: var(--redesign-red); }
.course-redesign-primary-cta p { margin: 0 0 2px; color: rgba(255,255,255,.76); font-size: 12px; font-weight: 800; }
.course-redesign-primary-cta h2 { margin: 0 0 5px; color: #fff; font-size: 23px; line-height: 1.22; }
.course-redesign-primary-cta span { color: rgba(255,255,255,.87); font-size: 14px; }
.course-redesign-primary-cta a { display: inline-flex; min-width: 228px; min-height: 52px; align-items: center; justify-content: center; gap: 16px; color: var(--redesign-red); background: #fff; font-size: 15px; font-weight: 900; }
.course-redesign-primary-cta a:hover, .course-redesign-primary-cta a:focus-visible { background: #f3f0ec; }

.course-redesign-flow, .course-redesign-boundary, .course-redesign-links, .course-redesign-faq { padding: 74px 0; }
.course-redesign-flow { border-top: 1px solid var(--redesign-line); }
.course-redesign-standard-head { display: grid; grid-template-columns: minmax(0, .9fr) minmax(250px, .55fr); gap: 18px 72px; align-items: end; margin-bottom: 34px; }
.course-redesign-standard-head > p { grid-column: 1 / -1; margin: 0; color: var(--redesign-red); font-size: 13px; font-weight: 900; letter-spacing: .06em; }
.course-redesign-standard-head h2 { margin: 0; max-width: 660px; color: #1e2020; font-size: 30px; line-height: 1.2; }
.course-redesign-standard-head > span { color: var(--redesign-muted); font-size: 16px; line-height: 1.75; }
.course-redesign-flow-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--redesign-line); border-bottom: 1px solid var(--redesign-line); }
.course-redesign-flow-grid article { min-height: 205px; padding: 28px 34px; }
.course-redesign-flow-grid article + article { border-left: 1px solid var(--redesign-line); }
.course-redesign-flow-grid span, .course-redesign-links-grid span { display: block; margin-bottom: 16px; color: var(--redesign-red); font-size: 13px; font-weight: 900; }
.course-redesign-flow-grid h3, .course-redesign-boundary-grid h3, .course-redesign-links-grid h3, .course-redesign-faq-grid h3 { margin: 0 0 10px; color: #202222; font-size: 20px; line-height: 1.3; }
.course-redesign-flow-grid p, .course-redesign-boundary-grid p, .course-redesign-links-grid p, .course-redesign-faq-grid p { margin: 0; color: var(--redesign-muted); font-size: 16px; line-height: 1.75; }

.course-redesign-boundary { background: var(--redesign-warm); }
.course-redesign-boundary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid #dedbd3; background: #fffdf9; }
.course-redesign-boundary-grid article { min-height: 222px; padding: 30px 36px; }
.course-redesign-boundary-grid article + article { border-left: 1px solid #dedbd3; }
.course-redesign-boundary-grid > article > i { display: grid; width: 42px; height: 42px; margin-bottom: 19px; place-items: center; border: 1px solid #d3d1c9; border-radius: 50%; color: #272a2a; font-size: 17px; }
.course-redesign-boundary-grid a { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; color: var(--redesign-red); font-size: 14px; font-weight: 900; }

.course-redesign-links { background: #fff; }
.course-redesign-links-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.course-redesign-links-grid a { position: relative; min-height: 205px; padding: 27px 50px 28px 27px; border: 1px solid var(--redesign-line); background: var(--redesign-paper); }
.course-redesign-links-grid a > i { position: absolute; top: 29px; right: 26px; color: var(--redesign-red); font-size: 14px; }
.course-redesign-links-grid a:hover, .course-redesign-links-grid a:focus-visible { border-color: var(--redesign-red); background: #fff; }

.course-redesign-faq { border-top: 1px solid var(--redesign-line); }
.course-redesign-faq-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.course-redesign-faq-grid article { padding: 24px; border-top: 3px solid var(--redesign-red); background: #fff; }

.course-redesign-contact { color: #fff; background: #171a1a; }
.course-redesign-contact-inner { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 72px; padding: 72px 0; }
.course-redesign-contact-inner > div > p { margin: 0 0 9px; color: #deb668; font-size: 13px; font-weight: 900; letter-spacing: .06em; }
.course-redesign-contact h2 { margin: 0 0 13px; max-width: 670px; color: #fff; font-size: 30px; line-height: 1.2; }
.course-redesign-contact-inner > div > span { display: block; max-width: 660px; color: rgba(255,255,255,.74); font-size: 16px; line-height: 1.75; }
.course-redesign-contact-choices { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; margin-top: 29px; }
.course-redesign-contact-choices button { padding: 14px; border: 1px solid rgba(255,255,255,.22); border-radius: 6px; color: #fff; background: transparent; text-align: left; cursor: pointer; }
.course-redesign-contact-choices button:hover, .course-redesign-contact-choices button:focus-visible { border-color: #fff; background: rgba(255,255,255,.08); }
.course-redesign-contact-choices strong, .course-redesign-contact-choices span { display: block; }
.course-redesign-contact-choices strong { margin-bottom: 4px; font-size: 14px; }
.course-redesign-contact-choices span { color: rgba(255,255,255,.65); font-size: 12px; line-height: 1.5; }
.course-redesign-contact aside { padding: 25px; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.04); }
.course-redesign-contact aside h3 { margin: 0 0 4px; font-size: 20px; }
.course-redesign-contact aside p { margin: 0 0 16px; color: rgba(255,255,255,.67); font-size: 13px; }
.course-redesign-qr { width: 144px; padding: 8px; background: #fff; }
.course-redesign-qr img { display: block; width: 100%; height: auto; }
.course-redesign-contact-note { display: inline-flex; margin-top: 14px; color: rgba(255,255,255,.75); font-size: 12px; line-height: 1.5; }
.course-page .site-footer { background: #0d0f0f; }
.course-page .footer-inner, .course-page .footer-legal { color: rgba(255,255,255,.62); }
.course-page .footer-legal { border-top-color: rgba(255,255,255,.14); }
.course-page .footer-beian a:hover { color: #fff; }

@media (max-width: 1120px) {
  .course-redesign-map-grid { grid-template-columns: .88fr 1.36fr .88fr; }
  .course-redesign-problems { padding-right: 25px; }
  .course-redesign-path { padding: 0 30px; }
  .course-redesign-outputs { padding-left: 25px; }
  .course-redesign-prepare-inner { grid-template-columns: 160px minmax(0, 1fr); }
  .course-redesign-primary-cta-inner { padding-right: 25px; padding-left: 25px; }
}

@media (max-width: 900px) {
  .course-page .course-wrap { width: min(100% - 40px, 720px); }
  .course-nav { height: auto !important; min-height: 74px; padding: 13px 0; }
  .course-nav .nav-links { display: none; }
  .course-redesign-hero-inner { min-height: 0; padding: 40px 0; }
  .course-redesign-map-heading { grid-template-columns: 1fr; gap: 0; text-align: left; }
  .course-redesign-map-heading span { display: none; }
  .course-redesign-map-heading h2::after { margin-left: 0; }
  .course-redesign-map-grid { grid-template-columns: 1fr; }
  .course-redesign-map-grid > section { padding: 34px 0; }
  .course-redesign-path, .course-redesign-outputs { border-top: 1px solid var(--redesign-line); border-left: 0; }
  .course-redesign-map-arrow { display: none; }
  .course-redesign-prepare-inner { grid-template-columns: 1fr; gap: 0; padding: 30px 0; }
  .course-redesign-prepare-title { padding-bottom: 22px; border-right: 0; }
  .course-redesign-prepare ul { grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--redesign-line); }
  .course-redesign-prepare li:nth-child(2) { border-right: 0; }
  .course-redesign-prepare li:nth-child(-n + 2) { padding-top: 18px; padding-bottom: 18px; border-bottom: 1px solid var(--redesign-line); }
  .course-redesign-prepare li:nth-child(n + 3) { padding-top: 18px; }
  .course-redesign-primary-cta-inner, .course-redesign-contact-inner { grid-template-columns: 1fr; }
  .course-redesign-primary-cta-inner { align-items: flex-start; }
  .course-redesign-primary-cta a { width: 100%; }
  .course-redesign-standard-head { grid-template-columns: 1fr; gap: 14px; }
  .course-redesign-flow-grid, .course-redesign-boundary-grid, .course-redesign-links-grid, .course-redesign-faq-grid { grid-template-columns: 1fr; }
  .course-redesign-flow-grid article + article, .course-redesign-boundary-grid article + article { border-top: 1px solid var(--redesign-line); border-left: 0; }
  .course-redesign-contact-choices { grid-template-columns: 1fr; }
  .course-redesign-contact aside { width: min(100%, 320px); }
}

@media (max-width: 560px) {
  .course-page .course-wrap { width: min(100% - 28px, 720px); }
  .course-brand img { width: 31px; height: 31px; }
  .course-brand strong { font-size: 21px; }
  .course-redesign-hero h1 { font-size: 38px; }
  .course-redesign-hero-subtitle { font-size: 16px; line-height: 1.65; }
  .course-redesign-map { padding: 31px 0; }
  .course-redesign-section-label h2 { font-size: 23px; }
  .course-redesign-signal, .course-redesign-output-list article { grid-template-columns: 41px minmax(0, 1fr); min-height: 76px; padding: 10px; }
  .course-redesign-signal > i, .course-redesign-output-list i { width: 34px; height: 34px; }
  .course-redesign-node-list li { grid-template-columns: 48px minmax(0, 1fr) 34px; }
  .course-redesign-node-list::before { left: 35px; }
  .course-redesign-node-list i { width: 34px; height: 34px; font-size: 13px; }
  .course-redesign-prepare ul { grid-template-columns: 1fr; }
  .course-redesign-prepare li, .course-redesign-prepare li:nth-child(2), .course-redesign-prepare li:nth-child(-n + 2), .course-redesign-prepare li:nth-child(n + 3) { padding: 15px 0; border-right: 0; border-bottom: 1px solid var(--redesign-line); }
  .course-redesign-primary-cta { padding-bottom: 46px; }
  .course-redesign-primary-cta-inner { padding: 24px 20px; }
  .course-redesign-primary-cta h2, .course-redesign-contact h2 { font-size: 25px; }
  .course-redesign-flow, .course-redesign-boundary, .course-redesign-links, .course-redesign-faq { padding: 54px 0; }
  .course-redesign-standard-head h2 { font-size: 27px; }
  .course-redesign-flow-grid article, .course-redesign-boundary-grid article { min-height: 0; padding: 25px 20px; }
  .course-redesign-links-grid a { min-height: 0; padding: 23px 45px 23px 21px; }
  .course-redesign-contact-inner { gap: 38px; padding: 55px 0; }
}