:root {
  --ink: #101a1c;
  --ink-soft: #263735;
  --paper: #e9e6d8;
  --paper-deep: #d9ddcf;
  --white: #f7f5ec;
  --signal: #29c9b2;
  --signal-dark: #168c7d;
  --amber: #f3b43f;
  --field: #667a68;
  --line: rgba(16, 26, 28, .2);
  --muted: #63716e;
  --display: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  --data: Bahnschrift, "Arial Narrow", Consolas, monospace;
  --max: 1480px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--display);
  -webkit-font-smoothing: antialiased;
}
body.dialog-open { overflow: hidden; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
p, h1, h2, h3, h4, dl, dd, ul, ol { margin: 0; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; }
button { color: inherit; }

.site-header {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 116px;
  padding: 0 clamp(28px, 5.1vw, 104px);
  border-bottom: 1px solid rgba(255,255,255,.16);
}
.site-header-dark { background: var(--ink); color: var(--white); }
.site-header-light { background: var(--paper); color: var(--ink); border-bottom-color: var(--line); }
.brand { justify-self: start; width: 188px; }
.brand img { width: 100%; height: auto; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: clamp(40px, 4.8vw, 78px); font-weight: 700; }
.main-nav a { position: relative; padding: 14px 0; color: inherit; opacity: .74; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 5px; height: 2px; background: var(--signal); transition: right .25s ease; }
.main-nav a:hover, .main-nav a:focus-visible, .main-nav a[aria-current="page"] { opacity: 1; }
.main-nav a:hover::after, .main-nav a:focus-visible::after, .main-nav a[aria-current="page"]::after { right: 0; }
.account-button {
  justify-self: end;
  min-width: 92px;
  min-height: 54px;
  padding: 0 25px;
  border: 1px solid currentColor;
  border-radius: 999px;
  background: transparent;
  font-weight: 800;
  cursor: pointer;
  transition: background .2s, color .2s, transform .2s;
}
.account-button-light { color: var(--white); }
.account-button:hover, .account-button:focus-visible { background: var(--signal); color: var(--ink); border-color: var(--signal); transform: translateY(-2px); }

.mission-hero {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, .78fr) minmax(600px, 1.22fr);
  gap: clamp(44px, 6vw, 110px);
  align-items: center;
  min-height: calc(100vh - 116px);
  padding: clamp(70px, 8vh, 120px) clamp(28px, 5.1vw, 104px) clamp(90px, 10vh, 150px);
  background: var(--ink);
  color: var(--white);
}
.hero-grid, .final-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(90deg, #000, transparent 82%);
}
.hero-grid::before { content: ""; position: absolute; width: 520px; height: 520px; left: -310px; top: 8%; border: 1px solid rgba(41,201,178,.38); border-radius: 50%; box-shadow: 0 0 0 72px rgba(41,201,178,.04), 0 0 0 144px rgba(41,201,178,.025); }
.hero-copy { position: relative; z-index: 2; max-width: 680px; }
.hero-index, .kicker { font-family: var(--data); font-size: 13px; font-weight: 800; letter-spacing: .22em; text-transform: uppercase; }
.hero-index { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 30px; color: var(--signal); }
.hero-index::before { content: ""; width: 42px; height: 2px; background: currentColor; }
.hero-title { max-width: 650px; font-size: clamp(58px, 5.25vw, 106px); line-height: 1.12; letter-spacing: -.065em; font-weight: 900; }
.hero-title span, .final-cta h2 span { display: block; }
.hero-lead { max-width: 580px; margin-top: 34px; color: #afbfbb; font-size: clamp(17px, 1.15vw, 22px); line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 42px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0 30px;
  border: 2px solid var(--ink);
  border-radius: 0;
  font-weight: 900;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover, .button:focus-visible { transform: translate(-3px, -3px); box-shadow: 6px 6px 0 var(--ink); }
.button-signal { background: var(--signal); color: var(--ink); border-color: var(--signal); }
.button-dark { background: var(--ink); color: var(--white); }
.text-link { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; border-bottom: 1px solid currentColor; padding: 9px 0; }
.text-link span { transition: transform .2s; }
.text-link:hover span, .text-link:focus-visible span { transform: translate(4px, -4px); }
.text-link-light { color: var(--white); }
.hero-facts { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1px; max-width: 600px; margin-top: 68px; background: rgba(255,255,255,.14); }
.hero-facts div { padding: 18px 20px; background: var(--ink); }
.hero-facts dt { font-family: var(--data); color: var(--amber); font-size: 28px; font-weight: 700; }
.hero-facts dd { margin-top: 4px; color: #91a39f; font-size: 13px; }

.mission-map {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 950px;
  justify-self: end;
  padding: 18px;
  color: var(--ink);
  background: #cfd5c7;
  border: 1px solid rgba(255,255,255,.35);
  box-shadow: 28px 32px 0 rgba(0,0,0,.24);
  transform: perspective(1400px) rotateY(-1.5deg) rotateX(.7deg);
  transform-style: preserve-3d;
  transition: transform .25s ease-out;
}
.mission-map::before { content: ""; position: absolute; inset: -10px 22px 12px -10px; border: 1px solid rgba(41,201,178,.45); pointer-events: none; }
.map-topline { display: flex; justify-content: space-between; align-items: center; padding: 3px 2px 14px; font-family: var(--data); font-size: 12px; letter-spacing: .18em; }
.map-status { display: flex; align-items: center; gap: 8px; }
.map-status i { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 5px rgba(41,201,178,.15); }
.map-canvas { display: block; width: 100%; border: 1px solid rgba(16,26,28,.4); cursor: crosshair; }
.drone, .cursor-reticle { transform-box: fill-box; transform-origin: center; transition: transform .16s ease-out; }
.signal-ring { transform-box: fill-box; transform-origin: center; animation: signalPulse 3s ease-out infinite; }
.ring-two { animation-delay: 1.2s; }
.river-line, #missionRoute { animation: routeMove 11s linear infinite; }
.map-readout { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid rgba(16,26,28,.4); border-top: 0; }
.map-readout div { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px 15px; border-right: 1px solid rgba(16,26,28,.25); }
.map-readout div:last-child { border-right: 0; }
.map-readout span, .map-readout strong { font-family: var(--data); }
.map-readout span { color: #5e6e69; font-size: 10px; letter-spacing: .18em; }
.map-readout strong { font-size: 14px; }
.map-legend { display: flex; gap: 25px; padding: 15px 2px 1px; font-size: 12px; }
.map-legend span { display: flex; align-items: center; gap: 7px; }
.map-legend i { width: 12px; height: 12px; border: 1px solid var(--ink); }
.legend-cyan { background: var(--signal); }.legend-amber { background: var(--amber); }.legend-dark { background: var(--ink); }

.section { padding: clamp(92px, 10vw, 170px) clamp(28px, 7vw, 140px); }
.section-heading { max-width: 850px; }
.section-heading-inline { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.kicker { margin-bottom: 22px; color: var(--signal-dark); }
.kicker-light { color: var(--signal); }
.section-heading h2, .grade-intro h2, .final-cta h2, .page-hero h1 { font-size: clamp(46px, 5vw, 88px); line-height: 1.14; letter-spacing: -.055em; font-weight: 900; }
.section-heading > p:last-child, .grade-intro > p:last-child { margin-top: 26px; max-width: 750px; color: var(--muted); font-size: 18px; line-height: 1.9; }
.event-brief { background: var(--paper); }
.brief-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 72px; border-top: 3px solid var(--ink); border-bottom: 1px solid var(--line); }
.brief-strip div { padding: 28px 25px; border-right: 1px solid var(--line); }
.brief-strip div:last-child { border-right: 0; }
.brief-strip span { display: block; margin-bottom: 10px; color: var(--muted); font-size: 13px; }
.brief-strip strong { font-size: clamp(18px, 1.5vw, 25px); }

.tracks-section { padding-top: 30px; }
.track-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 70px; }
.track-card { min-height: 510px; padding: 30px; background: var(--white); border: 1px solid var(--line); transition: transform .25s, box-shadow .25s, background .25s; }
.track-card:hover { transform: translateY(-8px); box-shadow: 0 18px 0 rgba(16,26,28,.12); }
.track-card svg { width: 100%; height: 150px; margin-bottom: 34px; fill: none; stroke: var(--ink); stroke-width: 5; stroke-linecap: round; stroke-linejoin: round; }
.track-card:nth-child(2) svg { background: var(--amber); }
.track-card:nth-child(4) svg { background: var(--signal); }
.track-code { font-family: var(--data); color: var(--signal-dark); font-size: 12px; letter-spacing: .2em; }
.track-card h3 { margin-top: 15px; font-size: clamp(24px, 1.7vw, 32px); line-height: 1.35; }
.track-card > p:not(.track-code) { margin-top: 20px; color: var(--muted); line-height: 1.8; }
.track-output { display: inline-block; margin-top: 30px; padding-top: 14px; border-top: 1px solid var(--line); font-family: var(--data); font-size: 12px; word-spacing: 8px; }

.grade-section { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(60px, 8vw, 150px); background: var(--ink); color: var(--white); }
.grade-intro { align-self: start; position: sticky; top: 60px; }
.grade-intro > p:last-child { color: #9eb0ac; }
.grade-grid { border-top: 1px solid rgba(255,255,255,.23); }
.grade-grid article { display: grid; grid-template-columns: 140px .75fr 1.25fr; gap: 25px; align-items: start; padding: 34px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.grade-grid span { font-family: var(--data); color: var(--amber); font-size: 13px; }
.grade-grid h3 { font-size: clamp(22px, 1.6vw, 30px); line-height: 1.4; }
.grade-grid p { color: #9eb0ac; line-height: 1.85; }

.process-section { background: var(--white); }
.process-list { list-style: none; margin-top: 70px; padding: 0; border-top: 3px solid var(--ink); }
.process-list li { display: grid; grid-template-columns: 90px 1fr; gap: 25px; padding: 30px 10px 30px 0; border-bottom: 1px solid var(--line); }
.process-list > li > span { font-family: var(--data); color: var(--signal-dark); font-size: 15px; font-weight: 800; }
.process-list h3 { font-size: clamp(25px, 2vw, 34px); }
.process-list p { margin-top: 10px; color: var(--muted); line-height: 1.8; }

.course-preview { background: var(--paper); }
.course-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 70px; }
.course-card { min-height: 470px; padding: 40px; background: var(--white); border: 2px solid var(--ink); transition: background .22s, box-shadow .22s, transform .22s; }
.course-card:hover, .course-card:focus-within { background: #75d892; box-shadow: 12px 12px 0 var(--ink); transform: translate(-5px,-5px); }
.course-card > p { font-family: var(--data); font-size: 13px; letter-spacing: .16em; }
.course-card h3 { margin-top: 42px; font-size: clamp(45px, 4vw, 68px); line-height: 1.12; letter-spacing: -.05em; }
.course-card > span { display: block; min-height: 58px; margin-top: 16px; color: var(--muted); line-height: 1.65; }
.course-card:hover > span { color: var(--ink); }
.course-card ul { margin-top: 38px; padding: 25px 0 0; border-top: 1px solid var(--line); list-style: none; }
.course-card li { margin: 12px 0; }
.course-card li::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 12px; background: var(--signal-dark); }

.final-cta { position: relative; overflow: hidden; min-height: 650px; padding: clamp(100px, 12vw, 190px) clamp(28px, 7vw, 140px); background: var(--ink); color: var(--white); }
.final-cta > div:not(.final-grid) { position: relative; z-index: 2; max-width: 1200px; }
.final-cta h2 { max-width: 1200px; }
.final-cta p:not(.kicker) { max-width: 720px; margin-top: 28px; color: #9eb0ac; font-size: 18px; line-height: 1.8; }
.final-cta .button { margin-top: 42px; }
.final-grid { mask-image: linear-gradient(90deg, transparent, #000); }
.final-grid::after { content: ""; position: absolute; width: 480px; height: 480px; right: 9%; top: 12%; border: 2px solid var(--signal); transform: rotate(45deg); box-shadow: 0 0 0 70px rgba(41,201,178,.04), 0 0 0 140px rgba(41,201,178,.02); }
.site-footer { min-height: 70px; display: flex; align-items: end; justify-content: center; padding: 28px 24px 16px; background: var(--ink); color: rgba(247,245,236,.38); border-top: 1px solid rgba(255,255,255,.1); }
.site-footer p { max-width: 1000px; text-align: center; font-size: 9px; line-height: 1.6; }

.site-dialog { width: min(680px, calc(100vw - 32px)); max-height: calc(100vh - 30px); padding: clamp(30px, 5vw, 58px); border: 2px solid var(--ink); border-radius: 0; background: var(--white); color: var(--ink); box-shadow: 18px 18px 0 var(--signal); overflow: auto; }
.site-dialog::backdrop { background: rgba(8,14,15,.76); backdrop-filter: blur(8px); }
.dialog-close-form { position: absolute; top: 18px; right: 18px; }
.dialog-close { position: relative; width: 38px; height: 38px; border: 1px solid var(--ink); background: transparent; cursor: pointer; }
.dialog-close::before, .dialog-close::after { content: ""; position: absolute; width: 18px; height: 2px; top: 17px; left: 9px; background: var(--ink); transform: rotate(45deg); }
.dialog-close::after { transform: rotate(-45deg); }
.dialog-heading h2 { max-width: 520px; font-size: clamp(35px, 4.6vw, 55px); line-height: 1.2; letter-spacing: -.045em; }
.dialog-heading > p:last-child { margin-top: 16px; color: var(--muted); line-height: 1.7; }
.form-grid { display: grid; gap: 20px; margin-top: 38px; }
.form-grid-two { grid-template-columns: repeat(2, 1fr); }
.form-span { grid-column: 1 / -1; }
.form-grid label { display: grid; gap: 9px; color: var(--ink-soft); font-size: 14px; font-weight: 700; }
.form-grid input, .form-grid select, .form-grid textarea { width: 100%; border: 1px solid #9da8a4; border-radius: 0; background: #fff; padding: 15px 16px; color: var(--ink); outline: 0; }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { border-color: var(--signal-dark); box-shadow: 0 0 0 3px rgba(41,201,178,.18); }
.code-row { display: grid; grid-template-columns: 1fr auto; }
.code-row button { min-width: 126px; border: 1px solid var(--ink); background: var(--paper); font-weight: 800; cursor: pointer; }
.form-submit { width: 100%; margin-top: 8px; }
.form-note { color: var(--signal-dark); font-weight: 800; }

.back-top { position: fixed; z-index: 15; right: 26px; bottom: 26px; width: 52px; height: 52px; border: 1px solid rgba(247,245,236,.32); background: var(--ink); cursor: pointer; opacity: 0; transform: translateY(15px); transition: opacity .2s, transform .2s; }
.back-top.visible { opacity: 1; transform: none; }
.back-top::before { content: ""; position: absolute; left: 17px; top: 20px; width: 16px; height: 16px; border-left: 2px solid var(--signal); border-top: 2px solid var(--signal); transform: rotate(45deg); }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@keyframes signalPulse { 0% { transform: scale(.7); opacity: .7; } 90%,100% { transform: scale(1.55); opacity: 0; } }
@keyframes routeMove { to { stroke-dashoffset: -150; } }

/* Inner pages */
.page-hero { position: relative; overflow: hidden; min-height: 520px; padding: clamp(90px, 11vw, 160px) clamp(28px, 7vw, 140px); background: var(--ink); color: var(--white); }
.page-hero::after { content: ""; position: absolute; width: 650px; height: 650px; right: -160px; top: -230px; border-radius: 50%; border: 1px solid rgba(41,201,178,.5); box-shadow: 0 0 0 75px rgba(41,201,178,.04), 0 0 0 150px rgba(41,201,178,.025); }
.page-hero > div { position: relative; z-index: 2; max-width: 1120px; }
.page-hero h1 { max-width: 1100px; }
.inner-page-title .title-event span { display: inline; }
.inner-page-title .title-event span + span::before { content: " "; }
.inner-page-title .title-page::before { content: " "; }
.page-hero .page-lead { max-width: 760px; margin-top: 28px; color: #a5b6b2; font-size: 18px; line-height: 1.9; }
.data-ribbon { display: grid; grid-template-columns: repeat(4,1fr); background: var(--signal); border-bottom: 2px solid var(--ink); }
.data-ribbon div { padding: 25px clamp(18px, 3vw, 48px); border-right: 1px solid rgba(16,26,28,.3); }
.data-ribbon span { display: block; font-family: var(--data); font-size: 11px; letter-spacing: .14em; }
.data-ribbon strong { display: block; margin-top: 8px; font-size: 18px; }
.content-split { display: grid; grid-template-columns: .62fr 1.38fr; gap: clamp(70px, 10vw, 170px); }
.sticky-heading { align-self: start; position: sticky; top: 40px; }
.sticky-heading h2 { font-size: clamp(44px, 4.7vw, 76px); line-height: 1.15; letter-spacing: -.05em; }
.content-stack { border-top: 3px solid var(--ink); }
.info-row { display: grid; grid-template-columns: 160px 1fr; gap: 35px; padding: 33px 0; border-bottom: 1px solid var(--line); }
.info-row > span { font-family: var(--data); color: var(--signal-dark); font-size: 12px; letter-spacing: .1em; }
.info-row h3 { font-size: clamp(24px, 2vw, 34px); }
.info-row p { margin-top: 12px; color: var(--muted); line-height: 1.85; }
.rule-list { display: grid; gap: 16px; }
.rule-card { background: var(--white); border: 1px solid var(--line); }
.rule-card summary { position: relative; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; padding: 28px 74px 28px 28px; cursor: pointer; list-style: none; font-size: clamp(22px, 2vw, 31px); font-weight: 900; }
.rule-card summary::-webkit-details-marker { display: none; }
.rule-card summary::before, .rule-card summary::after { content: ""; position: absolute; right: 29px; top: 50%; width: 20px; height: 2px; background: var(--ink); }
.rule-card summary::after { transform: rotate(90deg); transition: transform .2s; }
.rule-card[open] summary::after { transform: rotate(0); }
.rule-card summary span { font-family: var(--data); color: var(--signal-dark); font-size: 11px; letter-spacing: .14em; }
.rule-body { padding: 0 28px 30px; color: var(--muted); line-height: 1.85; }
.rule-body ul { padding-left: 20px; }
.rule-body li { margin: 8px 0; }
.rule-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.rule-tags span { padding: 8px 12px; background: var(--paper); color: var(--ink); font-size: 12px; }
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 60px; background: var(--ink); border: 2px solid var(--ink); }
.timeline article { min-height: 260px; padding: 30px; background: var(--paper); }
.timeline span { font-family: var(--data); color: var(--signal-dark); font-weight: 800; }
.timeline h3 { margin-top: 35px; font-size: 28px; }
.timeline p { margin-top: 14px; color: var(--muted); line-height: 1.8; }
.faq-list { display: grid; gap: 0; margin-top: 55px; border-top: 2px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { position: relative; padding: 26px 60px 26px 0; list-style: none; cursor: pointer; font-size: 21px; font-weight: 800; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: ""; position: absolute; right: 10px; top: 27px; width: 16px; height: 16px; border-right: 2px solid var(--ink); border-bottom: 2px solid var(--ink); transform: rotate(45deg); transition: transform .2s; }
.faq-list details[open] summary::after { transform: rotate(225deg); top: 34px; }
.faq-list details p { max-width: 850px; padding: 0 0 28px; color: var(--muted); line-height: 1.85; }

/* Course details */
.course-detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 65px; }
.course-detail-card { min-height: 610px; display: flex; flex-direction: column; padding: 38px; background: var(--white); border: 2px solid var(--ink); transition: background .22s, box-shadow .22s, transform .22s; }
.course-detail-card:hover, .course-detail-card:focus-within { background: #75d892; box-shadow: 12px 12px 0 var(--ink); transform: translate(-5px,-5px); }
.course-detail-card .course-name { font-family: var(--data); font-size: 13px; letter-spacing: .16em; }
.course-detail-card h2 { margin-top: 35px; font-size: clamp(45px, 4vw, 72px); line-height: 1.12; letter-spacing: -.055em; }
.course-detail-card:nth-child(3) h2{font-size:clamp(38px,3.2vw,52px);white-space:nowrap}
.course-detail-card .course-goal { min-height: 72px; margin-top: 15px; color: var(--muted); line-height: 1.7; }
.course-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 26px; }
.course-meta div { padding: 15px; border: 1px solid rgba(16,26,28,.35); }
.course-meta span { display: block; color: var(--muted); font-size: 11px; }
.course-meta strong { display: block; margin-top: 5px; }
.course-detail-card ul { margin: 28px 0 0; padding: 25px 0 0; border-top: 1px solid var(--line); list-style: none; }
.course-detail-card li { margin: 12px 0; }
.course-detail-card li::before { content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 12px; background: var(--signal-dark); }
.course-detail-card .button { margin-top: auto; }
.direction-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 15px; margin-top: 60px; }
.direction-card { padding: 28px; background: var(--white); border-top: 4px solid var(--signal-dark); }
.direction-card h3 { font-size: 25px; }
.direction-card p { margin-top: 13px; color: var(--muted); line-height: 1.75; }
.teacher-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; padding: clamp(50px,7vw,100px); background: var(--ink); color: var(--white); }
.teacher-panel h2 { font-size: clamp(43px,4.5vw,72px); line-height: 1.16; }
.teacher-panel p { color: #9eb0ac; line-height: 1.9; }
.teacher-points { display: grid; gap: 18px; }
.teacher-points div { padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.18); }
.teacher-points strong { display: block; color: var(--amber); font-family: var(--data); font-size: 13px; letter-spacing: .14em; }
.teacher-points span { display: block; margin-top: 8px; }

/* Account */
.account-main { min-height: calc(100vh - 116px); background: var(--ink); color: var(--white); }
.account-hero { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; padding: clamp(70px, 9vw, 140px) clamp(28px, 6vw, 120px); border-bottom: 1px solid rgba(255,255,255,.16); }
.account-hero h1 { font-size: clamp(58px,6.4vw,110px); line-height: 1.12; letter-spacing: -.06em; }
.account-hero p:not(.kicker) { max-width: 620px; margin-top: 25px; color: #9eb0ac; line-height: 1.85; }
.personal-map { position: relative; min-height: 520px; padding: 20px; background: var(--paper-deep); color: var(--ink); border: 1px solid rgba(255,255,255,.3); }
.personal-map svg { width: 100%; height: 440px; }
.account-panels { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; padding: 70px clamp(28px,6vw,120px) 100px; }
.account-panel { padding: 34px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.025); }
.account-panel h2 { font-size: clamp(30px,3vw,44px); }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding-bottom: 25px; border-bottom: 1px solid rgba(255,255,255,.18); }
.panel-head button { border: 1px solid rgba(255,255,255,.3); background: transparent; color: var(--white); padding: 10px 16px; cursor: pointer; }
.consult-records { margin-top: 25px; }
.empty-state { color: #8fa19c; line-height: 1.8; }
.record-item { padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.record-item h3 { font-size: 20px; }
.record-item p { margin-top: 8px; color: #8fa19c; font-size: 14px; }
.task-list { list-style: none; padding: 0; margin-top: 25px; }
.task-list li { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.task-list span { font-family: var(--data); color: var(--signal); }
.task-list strong { display: block; }
.task-list p { margin-top: 6px; color: #8fa19c; font-size: 14px; line-height: 1.7; }

@media (max-width: 1220px) {
  .mission-hero { grid-template-columns: .9fr 1.1fr; gap: 40px; }
  .hero-title { font-size: clamp(56px, 5.5vw, 74px); }
  .mission-map { transform: none; }
  .track-grid, .direction-grid { grid-template-columns: repeat(2,1fr); }
  .content-split { grid-template-columns: .72fr 1.28fr; gap: 70px; }
}

@media (max-width: 940px) {
  .site-header { min-height: 94px; grid-template-columns: 1fr auto; padding: 0 24px; }
  .brand { width: 160px; }
  .main-nav { position: fixed; z-index: 30; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(3,1fr); gap: 0; min-height: 68px; background: rgba(16,26,28,.96); color: var(--white); border-top: 1px solid rgba(255,255,255,.16); backdrop-filter: blur(16px); }
  .main-nav a { display: grid; place-items: center; padding: 8px; font-size: 13px; }
  .main-nav a::after { display: none; }
  .account-button { min-width: 78px; min-height: 46px; padding: 0 18px; }
  .mission-hero { grid-template-columns: 1fr; min-height: auto; padding-top: 80px; }
  .hero-copy { max-width: 760px; }
  .hero-title { max-width: 760px; font-size: clamp(58px, 10vw, 90px); }
  .mission-map { max-width: 820px; justify-self: start; }
  .grade-section { grid-template-columns: 1fr; }
  .grade-intro { position: static; }
  .course-grid, .course-detail-grid { grid-template-columns: 1fr; }
  .course-card, .course-detail-card { min-height: auto; }
  .content-split { grid-template-columns: 1fr; }
  .sticky-heading { position: static; }
  .account-hero { grid-template-columns: 1fr; }
  .account-panels { grid-template-columns: 1fr; }
  .teacher-panel { grid-template-columns: 1fr; }
  .site-footer { padding-bottom: 90px; }
}

@media (max-width: 640px) {
  .site-header { min-height: 82px; }
  .brand { width: 138px; }
  .account-button { min-width: 70px; min-height: 42px; padding: 0 15px; font-size: 14px; }
  .mission-hero { gap: 55px; padding: 64px 20px 90px; }
  .hero-index { margin-bottom: 22px; font-size: 10px; letter-spacing: .15em; }
  .hero-title { font-size: clamp(48px, 15vw, 66px); line-height: 1.17; letter-spacing: -.055em; }
  .hero-lead { margin-top: 24px; font-size: 16px; line-height: 1.75; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 16px; margin-top: 32px; }
  .hero-facts { margin-top: 45px; }
  .hero-facts div { padding: 14px 8px; }
  .hero-facts dt { font-size: 23px; }
  .hero-facts dd { font-size: 10px; }
  .mission-map { padding: 10px; box-shadow: 12px 14px 0 rgba(0,0,0,.25); }
  .mission-map::before { display: none; }
  .map-topline { font-size: 9px; }
  .map-readout { grid-template-columns: 1fr 1fr; }
  .map-readout div { padding: 10px 8px; }
  .map-readout div:last-child { display: none; }
  .map-legend { flex-wrap: wrap; gap: 10px 17px; }
  .section { padding: 82px 20px; }
  .section-heading h2, .grade-intro h2, .final-cta h2, .page-hero h1 { font-size: clamp(38px, 11.8vw, 54px); line-height: 1.2; }
  .section-heading-inline { align-items: flex-start; flex-direction: column; }
  .brief-strip { grid-template-columns: 1fr; }
  .brief-strip div { border-right: 0; border-bottom: 1px solid var(--line); }
  .brief-strip div:last-child { border-bottom: 0; }
  .track-grid, .direction-grid { grid-template-columns: 1fr; }
  .track-card { min-height: auto; }
  .grade-grid article { grid-template-columns: 1fr; gap: 10px; }
  .process-list li { grid-template-columns: 45px 1fr; }
  .course-card { padding: 30px; }
  .course-card h3 { font-size: 48px; }
  .final-cta { min-height: 580px; padding: 92px 20px 110px; }
  .final-cta h2 span { display: inline; }
  .final-cta h2 span + span::before { content: " "; }
  .site-dialog { padding: 46px 22px 28px; box-shadow: 8px 8px 0 var(--signal); }
  .form-grid-two { grid-template-columns: 1fr; }
  .form-span { grid-column: auto; }
  .code-row { grid-template-columns: 1fr; }
  .code-row button { min-height: 46px; }
  .page-hero { min-height: 450px; padding: 80px 20px 90px; }
  .inner-page-title .title-event,
  .inner-page-title .title-event span,
  .inner-page-title .title-page { display: block; }
  .inner-page-title .title-event span + span::before,
  .inner-page-title .title-page::before { content: none; }
  .data-ribbon { grid-template-columns: repeat(2,1fr); }
  .data-ribbon div { padding: 20px; border-bottom: 1px solid rgba(16,26,28,.3); }
  .info-row { grid-template-columns: 1fr; gap: 10px; }
  .rule-card summary { padding: 24px 60px 24px 20px; }
  .rule-body { padding: 0 20px 24px; }
  .timeline { grid-template-columns: 1fr; }
  .timeline article { min-height: auto; }
  .course-detail-card { padding: 30px; }
  .course-detail-card h2 { font-size: 50px; }
  .teacher-panel { padding: 72px 20px; }
  .account-hero { padding: 72px 20px; }
  .account-hero h1 { font-size: clamp(52px,14vw,68px); }
  .personal-map { min-height: 380px; padding: 8px; }
  .personal-map svg { height: 350px; }
  .account-panels { padding: 55px 20px 100px; }
  .account-panel { padding: 24px 20px; }
  .back-top { right: 16px; bottom: 84px; width: 46px; height: 46px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* 2026-08-04 shared footer and transparent-logo standard */
.brand,.brand img,.site-header .brand,.site-header .brand img{background:transparent!important}
.site-footer .site-legal-note{grid-column:1/-1;display:block;width:100%;margin-top:18px;padding-top:10px;border-top:1px solid currentColor;color:inherit!important;opacity:.55;font-size:10px!important;font-weight:400;line-height:1.65;letter-spacing:0;text-align:center}
/* Semantic title wrapping */
.title-line { display: block; }

/* Shared utility controls */
select{color-scheme:light}
select option{color:#101813!important;background:#fff!important}
.site-footer > .official-site-link{grid-column:1/-1;justify-self:center;display:inline-flex;align-items:center;gap:9px;width:max-content;margin:18px auto 0;padding:10px 16px;border:1px solid #9bea63;border-radius:999px;color:#9bea63;font-size:12px;font-weight:800;line-height:1;text-decoration:none;transition:background .18s,color .18s,transform .18s}
.site-footer > .official-site-link:hover,.site-footer > .official-site-link:focus-visible{background:#9bea63;color:#101813;transform:translateY(-2px)}
.back-top{right:clamp(16px,2.2vw,32px)!important;bottom:clamp(16px,2.2vw,32px)!important}
.back-top::after{content:'\2191';font-size:22px;line-height:1}
@media(max-width:560px){.back-top{right:16px!important;bottom:16px!important;width:48px;height:48px}}

/* 2026-08-05 standalone official entry compact questions and footer */
.official-entry-band{display:flex;align-items:center;justify-content:center;min-height:82px;padding:19px 24px;border-top:1px solid rgba(50,214,196,.5);border-bottom:1px solid rgba(50,214,196,.3);background:#132527}
.official-entry-band .official-site-link{display:inline-flex;align-items:center;gap:10px;padding:11px 18px;border:1px solid #9bea63;border-radius:999px;color:#9bea63;font-size:12px;font-weight:850;line-height:1;text-decoration:none;transition:background .18s,color .18s,transform .18s}
.official-entry-band .official-site-link:hover,.official-entry-band .official-site-link:focus-visible{background:#9bea63;color:#101813;transform:translateY(-2px)}
body .site-footer{min-height:0;padding:18px 24px 10px;align-items:center}
body .site-footer .site-legal-note{margin-top:0;padding-top:7px}
.compact-questions{padding-top:76px;padding-bottom:76px}
@media(max-width:640px){.official-entry-band{min-height:70px;padding:16px}.compact-questions{padding-top:58px;padding-bottom:58px}body .site-footer{padding:16px 18px 78px}}

/* Mission-matching display for the final consultation panel */
.final-grid{mask-image:linear-gradient(90deg,transparent 12%,#000 52%)}
.final-grid::after{display:none}
.final-mission-display{position:absolute;right:clamp(24px,5vw,94px);top:50%;width:min(47vw,660px);transform:translateY(-50%);color:var(--signal)}
.final-mission-display svg{display:block;width:100%;overflow:visible}
.mission-rings circle,.mission-diamond,.mission-axis,.mission-route{fill:none;stroke:currentColor;vector-effect:non-scaling-stroke}
.mission-rings circle{stroke-width:1;opacity:.22}
.mission-diamond{stroke-width:2;opacity:.78}
.mission-axis{stroke-width:1;stroke-dasharray:5 10;opacity:.24}
.mission-route{stroke-width:3;stroke-dasharray:7 8;opacity:.88}
.mission-sweep{transform-origin:330px 270px;animation:mission-scan 8s linear infinite}
.mission-sweep path{fill:rgba(41,201,178,.085)}
.mission-nodes circle{fill:var(--ink);stroke:var(--signal);stroke-width:3}
.mission-nodes circle:nth-child(3){fill:var(--signal);stroke:rgba(247,245,236,.9)}
.mission-labels{fill:rgba(247,245,236,.56);font-family:var(--data);font-size:12px;letter-spacing:.14em}
.mission-readout{position:absolute;right:4%;bottom:4%;display:grid;gap:7px;min-width:250px;padding:16px 18px;border:1px solid rgba(41,201,178,.38);background:rgba(9,20,20,.76);backdrop-filter:blur(8px)}
.mission-readout span,.mission-readout small{color:rgba(247,245,236,.54);font-family:var(--data);font-size:10px;letter-spacing:.14em}
.mission-readout strong{color:var(--white);font-size:18px}
@keyframes mission-scan{to{transform:rotate(360deg)}}
@media(max-width:760px){.final-mission-display{right:-24vw;width:82vw;opacity:.3}.mission-readout{display:none}}
@media(prefers-reduced-motion:reduce){.mission-sweep{animation:none}}

.course-facts{display:block;margin:8px 0;color:var(--signal);font-family:var(--data);font-size:12px;font-weight:800;letter-spacing:.08em;line-height:1.4}
[data-course-content]{display:none!important}

/* Account and membership features are intentionally retired. */
[data-login],[data-login-open],[data-account-button],.login-button,.account-link,#loginDialog,#login-dialog,.login-dialog,[data-login-modal]{display:none!important}