:root {
  --ink: #eef7ff;
  --ink-soft: #b8cce4;
  --paper: #06162c;
  --paper-bright: #0d294b;
  --card: rgba(12, 37, 68, 0.84);
  --line: rgba(177, 213, 255, 0.2);
  --cedar: #7cc7ff;
  --coral: #2f80ed;
  --gold: #9edcff;
  --moss: #55b7d8;
  --sky: #5ea8ff;
  --blue: #cfe8ff;
  --shadow: 0 28px 80px rgba(0, 10, 32, 0.42);
  --radius: 28px;
  --font-display: "Fraunces", "Iowan Old Style", "Songti SC", Georgia, serif;
  --font-body: "Avenir Next", "Noto Sans SC", "PingFang SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, rgba(47, 128, 237, 0.42), transparent 28rem),
    radial-gradient(circle at 85% 8%, rgba(85, 183, 216, 0.35), transparent 24rem),
    radial-gradient(circle at 40% 95%, rgba(22, 75, 130, 0.62), transparent 34rem),
    linear-gradient(135deg, #031027 0%, #071a35 42%, #0b2b52 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(158, 220, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(158, 220, 255, 0.055) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.8), transparent 80%);
  z-index: -2;
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.2;
  z-index: -1;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.25'/%3E%3C/svg%3E");
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px clamp(18px, 4vw, 56px);
  backdrop-filter: blur(18px);
  background: rgba(5, 20, 42, 0.78);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: var(--ink);
  color: var(--paper-bright);
  font-family: var(--font-display);
  font-size: 1.45rem;
  box-shadow: 7px 7px 0 var(--gold);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-family: var(--font-display);
  font-size: 1.12rem;
}

.brand small {
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.72rem;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.7vw, 22px);
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.main-nav a,
.nav-cta {
  transition: transform 180ms ease, color 180ms ease;
}

.main-nav a:hover,
.nav-cta:hover {
  transform: translateY(-2px);
  color: var(--cedar);
}

.nav-cta {
  border: 1px solid var(--ink);
  border-radius: 999px;
  padding: 10px 18px;
  background: var(--paper-bright);
  box-shadow: 4px 4px 0 rgba(177, 213, 255, 0.12);
}

.section-shell {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}

.hero {
  min-height: 650px;
  display: grid;
  grid-template-columns: minmax(0, 1.03fr) minmax(320px, 0.72fr);
  align-items: center;
  gap: clamp(36px, 7vw, 90px);
  padding: 78px 0 42px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cedar);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 0.98;
  margin: 0;
}

h1 {
  font-size: clamp(3rem, 8vw, 6.8rem);
  max-width: 880px;
  letter-spacing: -0.07em;
}

h2 {
  font-size: clamp(2.25rem, 5vw, 4.8rem);
  letter-spacing: -0.055em;
}

h3 {
  font-size: 1.55rem;
  letter-spacing: -0.035em;
}

.hero-lede,
.section-heading p,
.references p {
  color: var(--ink-soft);
  line-height: 1.85;
  font-size: 1.04rem;
}

.hero-lede {
  max-width: 660px;
  margin: 28px 0 0;
  font-size: clamp(1.06rem, 2vw, 1.25rem);
}

.hero-actions,
.test-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  border: 0;
  border-radius: 999px;
  padding: 14px 22px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button.primary {
  color: var(--paper-bright);
  background: var(--ink);
  box-shadow: 6px 6px 0 var(--gold);
}

.button.primary:hover {
  box-shadow: 4px 4px 0 var(--gold);
}

.button.ghost,
.button.compact {
  color: var(--ink);
  background: rgba(12, 37, 68, 0.86);
  border: 1px solid var(--line);
}

.button.compact {
  padding: 10px 16px;
  font-size: 0.9rem;
}

.button.full {
  width: 100%;
}

.hero-panel {
  position: relative;
  min-height: 480px;
}

.hero-panel::before {
  content: "";
  position: absolute;
  inset: 42px 22px 42px 4px;
  border: 2px dashed rgba(177, 213, 255, 0.2);
  border-radius: 50%;
  animation: slowSpin 36s linear infinite;
}

.orbit-card {
  position: absolute;
  background: var(--card);
  border: 1px solid rgba(177, 213, 255, 0.12);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.main-card {
  inset: 92px 28px auto 28px;
  padding: 34px;
  border-radius: 34px;
  transform: rotate(-2deg);
}

.main-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  letter-spacing: -0.04em;
  margin: 14px 0;
}

.main-card p {
  color: var(--ink-soft);
  line-height: 1.65;
  margin: 0;
}

.card-kicker {
  color: var(--cedar);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 800;
  font-size: 0.74rem;
}

.mini-card {
  width: 128px;
  min-height: 116px;
  border-radius: 28px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 18px;
}

.mini-card strong {
  font-family: var(--font-display);
  font-size: 2.3rem;
  line-height: 0.9;
}

.mini-card span {
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.mini-card.a {
  top: 10px;
  right: 18px;
  background: #e9f5eb;
}

.mini-card.b {
  bottom: 54px;
  left: 0;
  background: #fff3cc;
}

.mini-card.c {
  right: 0;
  bottom: 16px;
  background: #e3f1f5;
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 90px;
}

.metrics-strip article {
  min-height: 190px;
  padding: 26px;
  border-radius: var(--radius);
  background: rgba(12, 37, 68, 0.72);
  border: 1px solid var(--line);
  box-shadow: 0 18px 60px rgba(0, 10, 32, 0.08);
}

.metrics-strip span {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper-bright);
  font-weight: 900;
  margin-bottom: 20px;
}

.metrics-strip strong {
  display: block;
  font-size: 1.18rem;
  margin-bottom: 10px;
}

.metrics-strip p {
  color: var(--ink-soft);
  line-height: 1.75;
  margin: 0;
}

.split-section,
.writing-section,
.courses-section,
.teachers-section,
.bid-section,
.checkin-section,
.references {
  padding: 74px 0;
}

.split-section {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(26px, 5vw, 64px);
  align-items: start;
}

.section-heading {
  position: sticky;
  top: 112px;
}

.section-heading.wide {
  position: static;
  max-width: 850px;
  margin-bottom: 28px;
}

.assessment-card,
.bid-board,
.tracker-card,
.glass-form,
.admin-board,
.teacher-card,
.course-dialog {
  background: rgba(12, 37, 68, 0.78);
  border: 1px solid rgba(177, 213, 255, 0.14);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
}

.assessment-card {
  border-radius: 34px;
  padding: clamp(20px, 3vw, 34px);
}

.test-toolbar,
.progress-wrap,
.bid-board-head,
.course-card-footer,
.tracker-stats,
.dialog-meta,
.lesson-row,
.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  background: rgba(124, 199, 255, 0.12);
  color: var(--cedar);
  padding: 8px 12px;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.03em;
}

.pill.muted {
  background: rgba(94, 168, 255, 0.1);
  color: var(--blue);
}

.level-map {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin: 22px 0;
}

.level-chip {
  border: 1px solid var(--line);
  background: rgba(14, 48, 88, 0.76);
  border-radius: 18px;
  padding: 12px;
}

.level-chip strong,
.level-chip span {
  display: block;
}

.level-chip strong {
  font-family: var(--font-display);
}

.level-chip span {
  color: var(--ink-soft);
  font-size: 0.78rem;
  margin-top: 4px;
}

.progress-wrap {
  margin: 18px 0 22px;
}

.progress-line {
  flex: 1;
  height: 12px;
  border-radius: 999px;
  background: rgba(177, 213, 255, 0.1);
  overflow: hidden;
}

.progress-line span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--coral), var(--gold));
  transition: width 220ms ease;
}

.question-list {
  display: grid;
  gap: 14px;
  max-height: 760px;
  overflow: auto;
  padding-right: 8px;
}

.question-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(12, 37, 68, 0.72);
  padding: 18px;
}

.question-card fieldset {
  border: 0;
  padding: 0;
  margin: 0;
}

.question-card legend {
  font-weight: 900;
  line-height: 1.6;
}

.passage {
  border-left: 4px solid var(--gold);
  padding: 10px 12px;
  margin: 12px 0;
  color: var(--ink-soft);
  line-height: 1.72;
  background: rgba(8, 29, 56, 0.48);
  border-radius: 0 14px 14px 0;
}

.options {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.options label {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(12, 37, 68, 0.66);
  cursor: pointer;
  border: 1px solid transparent;
}

.options label:has(input:checked) {
  border-color: var(--cedar);
  background: rgba(124, 199, 255, 0.1);
}

.result-panel {
  margin-top: 22px;
  border-radius: 28px;
  padding: 24px;
  background: linear-gradient(135deg, rgba(94, 168, 255, 0.1), rgba(94, 168, 255, 0.16));
  border: 1px solid rgba(177, 213, 255, 0.14);
}

.result-panel.hidden,
.hidden {
  display: none !important;
}

.result-score {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.recommend-list,
.bid-list,
.timeline,
.rubric-grid,
.teacher-grid {
  display: grid;
  gap: 12px;
}

.recommend-item,
.bid-item,
.timeline-item {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(12, 37, 68, 0.68);
  padding: 14px;
}

.filter-bar {
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 14px;
  margin: 24px 0 30px;
}

label {
  color: var(--ink-soft);
  font-weight: 800;
  font-size: 0.86rem;
}

select,
input,
textarea {
  width: 100%;
  border: 1px solid rgba(177, 213, 255, 0.18);
  border-radius: 18px;
  background: rgba(12, 37, 68, 0.84);
  color: var(--ink);
  padding: 13px 14px;
  margin-top: 8px;
  outline: none;
  transition: border 180ms ease, box-shadow 180ms ease;
}

input[type="file"] {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

textarea {
  resize: vertical;
}

select:focus,
input:focus,
textarea:focus {
  border-color: var(--cedar);
  box-shadow: 0 0 0 4px rgba(124, 199, 255, 0.1);
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.35fr);
  gap: 20px;
  align-items: start;
}

.auth-form h3 {
  margin: 4px 0 2px;
}

.admin-board {
  border-radius: 32px;
  min-height: 430px;
  padding: 24px;
}

.admin-notice {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(14, 48, 88, 0.68);
  color: var(--ink-soft);
  line-height: 1.7;
  padding: 16px;
  margin: 16px 0;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.admin-stat {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(10, 31, 60, 0.74);
  padding: 14px;
}

.admin-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
}

.admin-stat span {
  color: var(--ink-soft);
  font-size: 0.78rem;
}

.admin-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.admin-data {
  display: grid;
  gap: 10px;
}

.admin-row {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.8fr;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(6, 22, 44, 0.72);
  padding: 12px;
}

.admin-row span {
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.admin-row strong {
  display: block;
  margin-bottom: 4px;
}

.writing-form {
  display: grid;
  gap: 16px;
}

.upload-zone {
  display: grid;
  gap: 10px;
  border: 1.5px dashed rgba(177, 213, 255, 0.28);
  border-radius: 24px;
  padding: 20px;
  background:
    radial-gradient(circle at 15% 20%, rgba(94, 168, 255, 0.24), transparent 9rem),
    rgba(14, 48, 88, 0.72);
  cursor: pointer;
}

.upload-zone span {
  color: var(--cedar);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.upload-zone strong {
  font-family: var(--font-display);
  color: var(--ink);
  font-size: 1.25rem;
}

.upload-meta {
  color: var(--ink-soft);
  line-height: 1.65;
  margin: -6px 0 0;
  font-size: 0.9rem;
}

.writing-score-row {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 14px;
  align-items: stretch;
}

.writing-score-card,
.rubric-item {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(12, 37, 68, 0.7);
  padding: 18px;
}

.writing-score-card strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.writing-score-card span,
.rubric-item span,
.teacher-card span {
  color: var(--ink-soft);
}

.rubric-grid {
  grid-template-columns: repeat(5, 1fr);
  margin-top: 16px;
}

.rubric-meter {
  height: 9px;
  border-radius: 999px;
  background: rgba(177, 213, 255, 0.12);
  overflow: hidden;
  margin-top: 12px;
}

.rubric-meter i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--moss), var(--gold));
}

.teacher-card h3 {
  margin: 16px 0 10px;
}

.teacher-card p {
  color: var(--ink-soft);
  line-height: 1.75;
}

.teacher-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.teacher-card {
  border-radius: 30px;
  padding: 24px;
  min-height: 430px;
  display: flex;
  flex-direction: column;
}

.teacher-avatar {
  width: 82px;
  height: 82px;
  display: grid;
  place-items: center;
  border-radius: 28px;
  color: var(--paper-bright);
  background: linear-gradient(135deg, var(--ink), var(--blue));
  box-shadow: 8px 8px 0 var(--gold);
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 18px;
}

.teacher-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.course-card {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  border-radius: 32px;
  background: rgba(12, 37, 68, 0.82);
  border: 1px solid rgba(177, 213, 255, 0.14);
  box-shadow: 0 20px 56px rgba(0, 10, 32, 0.1);
  transition: transform 220ms ease, box-shadow 220ms ease;
}

.course-card:hover {
  transform: translateY(-6px) rotate(-0.5deg);
  box-shadow: var(--shadow);
}

.cover-wrap {
  position: relative;
  min-height: 220px;
  display: grid;
  place-items: center;
  padding: 24px 24px 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(94, 168, 255, 0.34), transparent 9rem),
    linear-gradient(135deg, rgba(47, 128, 237, 0.12), rgba(85, 183, 216, 0.2));
}

.cover-wrap img {
  width: 138px;
  height: 205px;
  object-fit: cover;
  border-radius: 9px;
  box-shadow: 10px 12px 0 rgba(177, 213, 255, 0.12), 0 18px 35px rgba(0, 0, 0, 0.18);
  transform: rotate(-3deg);
  background: var(--paper-bright);
}

.course-level {
  position: absolute;
  top: 18px;
  left: 18px;
}

.course-body {
  flex: 1;
  padding: 24px;
  display: flex;
  flex-direction: column;
}

.course-body h3 {
  margin-bottom: 8px;
}

.author {
  color: var(--cedar);
  font-weight: 900;
  margin: 0 0 12px;
}

.blurb {
  color: var(--ink-soft);
  line-height: 1.72;
  margin: 0 0 16px;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: auto;
}

.meta-grid span {
  display: block;
  color: var(--ink-soft);
  font-size: 0.76rem;
  margin-bottom: 4px;
}

.meta-grid strong {
  font-size: 0.9rem;
}

.course-card-footer {
  padding: 0 24px 24px;
}

.price {
  font-family: var(--font-display);
  font-size: 1.6rem;
}

.bid-layout,
.checkin-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.25fr);
  gap: 22px;
  align-items: start;
}

.glass-form {
  border-radius: 32px;
  padding: 24px;
  display: grid;
  gap: 16px;
}

.bid-board,
.tracker-card {
  border-radius: 32px;
  padding: 24px;
}

.seat-summary {
  font-weight: 900;
  color: var(--cedar);
}

.bid-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
}

.rank-badge {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: var(--paper-bright);
  font-weight: 900;
}

.status-seat {
  color: var(--moss);
  font-weight: 900;
}

.status-wait {
  color: var(--cedar);
  font-weight: 900;
}

.wechat-card {
  margin-top: 18px;
  border-radius: 24px;
  border: 1px solid rgba(177, 213, 255, 0.14);
  background: rgba(14, 48, 88, 0.82);
  padding: 18px;
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 16px;
  align-items: center;
}

.qr-demo {
  width: 132px;
  height: 132px;
  border: 10px solid white;
  background-color: #111;
  background-image:
    linear-gradient(90deg, white 10px, transparent 10px),
    linear-gradient(white 10px, transparent 10px),
    conic-gradient(from 90deg, #111, #111 25%, white 0 50%, #111 0 75%, white 0);
  background-size: 34px 34px, 34px 34px, 26px 26px;
  box-shadow: 0 12px 26px rgba(177, 213, 255, 0.16);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.tracker-stats {
  align-items: stretch;
  margin-bottom: 18px;
}

.stat-box {
  flex: 1;
  border-radius: 22px;
  padding: 18px;
  background: rgba(14, 48, 88, 0.76);
  border: 1px solid var(--line);
}

.stat-box strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.1rem;
  line-height: 1;
}

.stat-box span {
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.timeline-item {
  display: grid;
  gap: 8px;
}

.timeline-item time {
  color: var(--cedar);
  font-weight: 900;
}

.references {
  padding-bottom: 110px;
}

.reference-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.reference-links a {
  border: 1px solid var(--line);
  background: rgba(12, 37, 68, 0.74);
  border-radius: 999px;
  padding: 10px 14px;
  color: var(--blue);
  font-weight: 800;
}

.course-dialog {
  width: min(980px, calc(100% - 28px));
  max-height: 88vh;
  overflow: auto;
  border: 0;
  border-radius: 34px;
  padding: 0;
  color: var(--ink);
}

.course-dialog::backdrop {
  background: rgba(177, 213, 255, 0.42);
  backdrop-filter: blur(6px);
}

.dialog-close {
  position: sticky;
  top: 18px;
  left: calc(100% - 56px);
  z-index: 3;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper-bright);
  font-size: 1.6rem;
  cursor: pointer;
}

.dialog-hero {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 26px;
  padding: 0 32px 28px;
}

.dialog-hero img {
  width: 180px;
  height: 268px;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 10px 12px 0 rgba(177, 213, 255, 0.12);
}

.dialog-hero p {
  color: var(--ink-soft);
  line-height: 1.76;
}

.lesson-list {
  display: grid;
  gap: 10px;
  padding: 0 32px 34px;
}

.lesson-row {
  align-items: flex-start;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 14px;
  background: rgba(177, 213, 255, 0.44);
}

.lesson-row span {
  flex: 0 0 76px;
  color: var(--cedar);
  font-weight: 900;
}

.lesson-row strong {
  display: block;
  margin-bottom: 4px;
}

.lesson-row p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
}

.reveal {
  animation: rise 720ms cubic-bezier(.2,.8,.2,1) both;
}

.delay-1 {
  animation-delay: 120ms;
}

.delay-2 {
  animation-delay: 240ms;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slowSpin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 980px) {
  .main-nav {
    display: none;
  }

  .brand {
    min-width: auto;
  }

  .hero,
  .split-section,
  .auth-layout,
  .bid-layout,
  .checkin-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 54px;
  }

  .hero-panel {
    min-height: 420px;
  }

  .section-heading {
    position: static;
  }

  .metrics-strip,
  .course-grid,
  .teacher-grid,
  .admin-stats,
  .filter-bar {
    grid-template-columns: 1fr;
  }

  .level-map {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .writing-score-row {
    grid-template-columns: 1fr;
  }

  .course-card {
    min-height: auto;
  }

  .dialog-hero {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 14px 16px;
  }

  .nav-cta {
    display: none;
  }

  h1 {
    font-size: 3.25rem;
  }

  .hero-actions,
  .test-actions,
  .tracker-stats,
  .test-toolbar,
  .progress-wrap,
  .course-card-footer,
  .bid-board-head,
  .writing-score-row,
  .result-head {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-panel::before {
    inset: 18px;
  }

  .main-card {
    inset: 76px 8px auto 8px;
    padding: 24px;
  }

  .mini-card {
    width: 110px;
    min-height: 98px;
  }

  .mini-card.a {
    right: 0;
  }

  .mini-card.b {
    bottom: 42px;
  }

  .mini-card.c {
    right: 4px;
    bottom: 0;
  }

  .level-map,
  .meta-grid,
  .two-col,
  .wechat-card,
  .admin-row,
  .rubric-grid {
    grid-template-columns: 1fr;
  }

  .question-list {
    max-height: none;
  }

  .bid-item {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}