:root {
  --ink: #17212b;
  --muted: #5f6b78;
  --line: #dde4ea;
  --paper: #ffffff;
  --soft: #f6f8f9;
  --red: #c7372f;
  --red-dark: #a72924;
  --teal: #0f8a7b;
  --teal-soft: #e7f4f1;
  --shadow: 0 18px 48px rgba(23, 33, 43, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Helvetica Neue", Arial, sans-serif;
  line-height: 1.55;
  overflow-x: hidden;
}

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: 24px;
  padding: 14px clamp(20px, 5vw, 64px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  background: var(--red);
  border-radius: 8px;
}

.nav-links {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

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

.header-cta,
.primary-button,
.secondary-button,
.select-plan,
.stat-strip button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
}

.header-cta,
.primary-button {
  color: #fff;
  background: var(--red);
  box-shadow: 0 10px 24px rgba(199, 55, 47, 0.22);
}

.header-cta {
  padding: 0 18px;
  font-size: 14px;
}

.primary-button {
  padding: 0 22px;
}

.primary-button:hover,
.header-cta:hover {
  background: var(--red-dark);
}

.secondary-button,
.select-plan,
.stat-strip button {
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
}

.full {
  width: 100%;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.7fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  padding: clamp(42px, 7vw, 92px) clamp(20px, 5vw, 64px) 48px;
  background:
    linear-gradient(120deg, rgba(231, 244, 241, 0.82), rgba(255, 255, 255, 0.36) 38%),
    linear-gradient(180deg, #fff, #f6f8f9);
  overflow: hidden;
}

.hero h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.03;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

.hero-copy,
.lead-card,
.booking-form,
.booking-copy,
.report-card,
.package-card,
.major-list article {
  min-width: 0;
}

.hero-copy p {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.trust-row span {
  padding: 8px 12px;
  color: var(--teal);
  background: var(--teal-soft);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
}

.lead-card,
.booking-form {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.form-heading h2,
.section-heading h2,
.booking-copy h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: 0;
}

.form-heading h2 {
  font-size: 28px;
}

.form-heading p,
.section-heading p,
.booking-copy p,
.form-note {
  color: var(--muted);
}

label {
  display: grid;
  gap: 7px;
  margin-top: 15px;
  color: #344150;
  font-size: 14px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 10px 12px;
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 138, 123, 0.12);
}

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

.form-note {
  margin: 12px 0 0;
  font-size: 12px;
}

.report-section,
.packages,
.majors,
.conversion,
.booking {
  padding: 72px clamp(20px, 5vw, 64px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.report-grid,
.package-grid,
.major-list,
.conversion-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.report-card,
.package-card,
.major-list article,
.conversion-grid article,
.screening-output article {
  min-height: 190px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.report-card.strong,
.package-card.featured,
.screening-output .strong {
  border-color: rgba(199, 55, 47, 0.42);
  box-shadow: var(--shadow);
}

.report-card h3,
.package-card h3,
.major-list h3,
.conversion-grid h3,
.screening-output h3 {
  margin: 0 0 10px;
  font-size: 22px;
}

.report-card p,
.package-card p,
.major-list p,
.conversion-grid p,
.screening-output p {
  margin: 0;
  color: var(--muted);
}

.screening-output {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.range-grid {
  display: grid;
  gap: 10px;
}

.range-grid span {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  background: var(--soft);
  border-radius: 8px;
}

.packages,
.booking {
  background: var(--soft);
}

.price {
  width: fit-content;
  margin-bottom: 14px;
  padding: 6px 10px;
  color: var(--red);
  background: rgba(199, 55, 47, 0.09);
  border-radius: 8px;
  font-weight: 800;
}

.package-card ul {
  display: grid;
  gap: 8px;
  margin: 18px 0;
  padding-left: 20px;
  color: #344150;
}

.select-plan {
  width: 100%;
}

.major-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.major-list span {
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
}

.conversion-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.conversion-grid strong,
.grade {
  display: inline-flex;
  width: fit-content;
  margin-bottom: 12px;
  padding: 5px 9px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
}

.conversion-grid strong,
.grade-A {
  color: #fff;
  background: var(--red);
}

.grade-B {
  color: #fff;
  background: var(--teal);
}

.grade-C {
  color: #8a4b00;
  background: #fff1d6;
}

.grade-D {
  color: #4d5966;
  background: #e9eef2;
}

.booking {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.55fr);
  gap: 34px;
  align-items: start;
}

.contact-box {
  margin-top: 22px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contact-box h3,
.contact-box p {
  margin: 0 0 8px;
}

.stat-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.stat-strip strong {
  color: var(--red);
  font-size: 32px;
}

.stat-strip button {
  min-height: 38px;
  padding: 0 14px;
}

.admin-page {
  background: var(--soft);
}

.admin-main {
  padding: 48px clamp(20px, 5vw, 64px);
}

.admin-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.admin-toolbar h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.05;
}

.admin-toolbar p {
  color: var(--muted);
}

.admin-grid {
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.lead-table {
  width: 100%;
  min-width: 1100px;
  border-collapse: collapse;
}

.lead-table th,
.lead-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.lead-table th {
  color: #344150;
  background: #f8fafb;
}

.config-panel {
  margin-top: 30px;
}

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

.config-card {
  min-width: 0;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(23, 33, 43, 0.06);
}

.config-card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.config-card-head span {
  padding: 4px 8px;
  color: var(--teal);
  background: var(--teal-soft);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
}

.config-card p {
  margin: 8px 0;
  color: var(--muted);
}

.tool-hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-end;
  padding: clamp(42px, 7vw, 86px) clamp(20px, 5vw, 64px);
  background: linear-gradient(120deg, rgba(231, 244, 241, 0.9), #fff 55%);
}

.tool-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.05;
}

.tool-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.catalog-section {
  padding: 64px clamp(20px, 5vw, 64px);
}

.tool-form,
.assessment-form {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  align-items: end;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.toolbar-row {
  margin-bottom: 18px;
}

.college-grid,
.major-grid-rich,
.recommendation-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.recommendation-board .data-mode {
  grid-column: 1 / -1;
  padding: 12px 14px;
  color: var(--teal);
  background: var(--teal-soft);
  border-radius: 8px;
  font-weight: 800;
}

.college-card,
.major-rich-card,
.recommend-column,
.recommend-column article,
.assessment-result article {
  padding: 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.college-card dl {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 14px 0;
}

.college-card dt {
  color: var(--muted);
  font-size: 12px;
}

.college-card dd {
  margin: 0;
  font-weight: 800;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0;
}

.tag-row span {
  padding: 5px 8px;
  color: var(--teal);
  background: var(--teal-soft);
  border-radius: 8px;
  font-size: 12px;
  font-weight: 800;
}

.recommend-column {
  display: grid;
  gap: 12px;
  align-content: start;
}

.assessment-form {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.assessment-result {
  margin-top: 18px;
}

.site-footer {
  padding: 30px clamp(20px, 5vw, 64px);
  color: var(--muted);
  background: #121a22;
}

.site-footer p {
  margin: 6px 0;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 30;
  max-width: 340px;
  padding: 12px 14px;
  color: #fff;
  background: #17212b;
  border-radius: 8px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: 0.2s ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 920px) {
  .nav-links {
    display: none;
  }

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

  .report-grid,
  .package-grid,
  .major-list,
  .conversion-grid,
  .screening-output,
  .college-grid,
  .major-grid-rich,
  .recommendation-board {
    grid-template-columns: 1fr 1fr;
  }

  .tool-hero,
  .tool-form,
  .assessment-form {
    display: grid;
    grid-template-columns: 1fr;
  }

  .admin-toolbar {
    display: block;
  }

  .config-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    padding: 12px 16px;
  }

  .header-cta {
    display: none;
  }

  .hero,
  .report-section,
  .packages,
  .majors,
  .conversion,
  .catalog-section,
  .booking {
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .lead-card,
  .booking-form {
    padding: 18px;
  }

  .field-grid,
  .report-grid,
  .package-grid,
  .major-list,
  .conversion-grid,
  .screening-output,
  .college-grid,
  .major-grid-rich,
  .recommendation-board {
    grid-template-columns: 1fr;
  }

  .hero-actions a {
    width: 100%;
  }
}