:root {
  --navy: #0b1f33;
  --navy-2: #12324c;
  --green: #17745f;
  --teal: #20a98c;
  --mint: #e9f7f2;
  --cream: #f7f4ec;
  --paper: #f6f8fa;
  --white: #ffffff;
  --ink: #132238;
  --muted: #66788a;
  --line: #dce5ea;
  --amber: #f2b84b;
  --red: #b73e48;
  --shadow: 0 18px 55px rgba(11, 31, 51, .09);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #eef5f3 0, #f8fafb 480px, #f8fafb 100%);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
button, input, textarea, select { font: inherit; }
button, .primary-button, .secondary-button { -webkit-tap-highlight-color: transparent; }

.site-header, .admin-header {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px max(24px, calc((100vw - 1120px) / 2));
  background: rgba(255, 255, 255, .92);
  border-bottom: 1px solid rgba(220, 229, 234, .9);
  backdrop-filter: blur(16px);
  position: relative;
  z-index: 10;
}

.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { display: block; height: 48px; width: auto; }
.header-actions { display: flex; align-items: center; gap: 16px; }
.language-switch { padding: 6px 12px; color: var(--green); background: var(--mint); border: 1px solid #a9d5c9; border-radius: 999px; font-size: 13px; font-weight: 800; text-decoration: none; }
.language-switch:hover { background: #d9f1e9; }
.header-label { color: var(--green); font-size: 14px; font-weight: 700; letter-spacing: .08em; }
.page-shell { width: min(920px, calc(100% - 32px)); margin: 0 auto; padding: 46px 0 72px; }

.hero {
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--navy);
  padding: 52px 56px;
  border-radius: 28px;
  box-shadow: var(--shadow);
}
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; pointer-events: none; }
.hero::before { width: 330px; height: 330px; right: -150px; top: -180px; background: var(--teal); }
.hero::after { width: 180px; height: 180px; right: 70px; bottom: -130px; background: var(--amber); opacity: .95; }
.hero > * { position: relative; z-index: 1; }
.hero-kicker, .eyebrow { color: #58d4bd; font-size: 14px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.hero h1 { font-size: clamp(42px, 6vw, 64px); line-height: 1.05; margin: 16px 0 4px; letter-spacing: -.03em; }
.english-hero h1 { max-width: 720px; font-size: clamp(38px, 5.4vw, 60px); }
.hero-subtitle { font-size: clamp(22px, 3vw, 31px); margin: 0; font-weight: 700; }
.hero-copy { max-width: 680px; margin: 26px 0 20px; color: #d7e4ed; font-size: 17px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-meta span { border: 1px solid rgba(255,255,255,.28); background: rgba(255,255,255,.08); border-radius: 999px; padding: 6px 12px; font-size: 13px; }

.notice-card, .form-section, .success-card, .login-card, .filter-card, .dashboard-card, .question-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 28px rgba(11, 31, 51, .05);
}
.notice-card { margin: 20px 0; padding: 18px 22px; }
.notice-card strong { color: var(--red); }
.notice-card p { margin: 4px 0 0; color: var(--muted); }
.safety-notice { border-left: 5px solid var(--amber); }

.error-summary { margin: 20px 0; padding: 18px 22px; background: #fff1f2; border: 1px solid #f2b8be; border-radius: 14px; color: #7f1d2d; outline: 0; }
.error-summary ul { margin: 6px 0 0; padding-left: 20px; }
.survey-form { display: grid; gap: 22px; }
.form-section { padding: 32px; }
.accent-section { border-top: 5px solid var(--teal); }
.section-heading { display: flex; align-items: flex-start; gap: 15px; margin-bottom: 28px; }
.section-heading > span { flex: 0 0 auto; width: 44px; height: 44px; display: grid; place-items: center; color: #fff; background: var(--green); border-radius: 50%; font-weight: 800; }
.section-heading h2 { margin: 0; font-size: 25px; line-height: 1.2; color: var(--navy); }
.section-heading p { margin: 5px 0 0; color: var(--muted); }

.form-grid { display: grid; gap: 20px; }
.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field { display: grid; gap: 8px; font-weight: 700; color: var(--navy); }
.field em, legend em { margin-left: 5px; color: var(--green); font-size: 12px; font-style: normal; font-weight: 700; }
input[type="text"], input[type="password"], input:not([type]), textarea, select {
  width: 100%;
  border: 1px solid #bdcbd4;
  border-radius: 11px;
  background: #fff;
  color: var(--ink);
  padding: 13px 14px;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
}
textarea { resize: vertical; min-height: 132px; line-height: 1.65; }
input:focus, textarea:focus, select:focus { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(32, 169, 140, .13); }
.field-help { justify-self: end; color: var(--muted); font-size: 12px; font-weight: 500; margin-top: -4px; }
fieldset { min-width: 0; margin: 25px 0 0; padding: 0; border: 0; }
legend { margin-bottom: 12px; color: var(--navy); font-weight: 800; }
.option-grid { display: grid; gap: 10px; }
.three-columns { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.five-columns { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.option-stack { display: grid; gap: 9px; }
.option-card, .path-card {
  position: relative;
  min-height: 54px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: #304458;
  cursor: pointer;
  transition: border-color .16s, background .16s, transform .16s;
}
.option-card:hover, .path-card:hover { border-color: #7bbfaf; transform: translateY(-1px); }
.option-card:has(input:checked), .path-card:has(input:checked) { border-color: var(--teal); background: var(--mint); color: var(--green); box-shadow: 0 0 0 2px rgba(32, 169, 140, .09); }
.option-card input, .path-card input, .consent-box input { accent-color: var(--green); width: 18px; height: 18px; flex: 0 0 auto; }
.option-card span { font-size: 14px; font-weight: 650; }
.option-card.compact { min-height: 47px; padding: 9px 11px; }
.path-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.path-card { flex-direction: column; align-items: flex-start; min-height: 104px; }
.path-card input { position: absolute; top: 14px; right: 14px; }
.path-code { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--navy); font-size: 13px; font-weight: 800; }
.consent-box { display: grid; gap: 12px; margin-top: 26px; padding: 18px; border-radius: 13px; background: var(--paper); border: 1px solid var(--line); }
.consent-box label { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; cursor: pointer; }
.honeypot { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }

.primary-button, .secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 0;
  border-radius: 11px;
  padding: 11px 20px;
  text-decoration: none;
  font-weight: 800;
  cursor: pointer;
}
.primary-button { color: #fff; background: var(--green); box-shadow: 0 8px 20px rgba(23, 116, 95, .2); }
.primary-button:hover { background: #105e4d; }
.secondary-button { color: var(--green); background: var(--mint); border: 1px solid #a9d5c9; }
.submit-button { width: 100%; min-height: 58px; font-size: 18px; }
.submit-note { margin: -12px 0 0; text-align: center; color: var(--muted); font-size: 13px; }
.site-footer { display: flex; justify-content: space-between; gap: 16px; padding: 25px max(24px, calc((100vw - 920px) / 2)); color: var(--muted); font-size: 12px; border-top: 1px solid var(--line); }

.success-card, .login-card { width: min(680px, 100%); margin: 35px auto; padding: 46px; text-align: center; }
.success-mark { width: 72px; height: 72px; display: grid; place-items: center; margin: 0 auto 18px; border-radius: 50%; color: #fff; background: var(--green); font-size: 38px; font-weight: 800; }
.success-card .eyebrow, .login-card .eyebrow { color: var(--green); }
.success-card h1, .login-card h1 { margin: 6px 0 12px; color: var(--navy); font-size: 34px; line-height: 1.2; }
.success-card > p, .login-card > p { color: var(--muted); }
.confirmation-box { display: grid; gap: 2px; margin: 24px 0; padding: 17px; background: var(--paper); border-radius: 12px; }
.confirmation-box span { color: var(--muted); font-size: 12px; }
.confirmation-box strong { color: var(--navy); letter-spacing: .08em; }
.next-steps { margin: 24px 0; padding: 20px; text-align: left; background: var(--mint); border-radius: 12px; }
.next-steps h2 { margin: 0 0 5px; color: var(--green); font-size: 18px; }
.next-steps p { margin: 0; }
.login-card form { display: grid; gap: 18px; margin-top: 26px; text-align: left; }
.flash.error { margin: 16px 0; padding: 12px; background: #fff1f2; border-radius: 10px; color: var(--red); }

/* Admin */
.admin-body { background: #f3f6f8; }
.admin-header { position: sticky; top: 0; }
.admin-header nav { display: flex; flex-wrap: wrap; gap: 20px; }
.admin-header nav a { color: #43586b; font-size: 14px; font-weight: 700; text-decoration: none; }
.admin-header nav a:hover { color: var(--green); }
.admin-shell { width: min(1380px, calc(100% - 40px)); margin: 0 auto; padding: 34px 0 70px; }
.admin-title-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 24px; }
.admin-title-row .eyebrow { color: var(--green); }
.admin-title-row h1 { margin: 4px 0; color: var(--navy); font-size: 34px; }
.admin-title-row p { margin: 0; color: var(--muted); }
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; }
.stat-card { min-height: 142px; display: flex; flex-direction: column; justify-content: center; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 16px; }
.stat-card span, .stat-card small { color: var(--muted); }
.stat-card strong { color: var(--navy); font-size: 42px; line-height: 1.1; }
.stat-card.highlight { color: #fff; background: var(--navy); border-color: var(--navy); }
.stat-card.highlight strong { color: #62dbc3; }
.stat-card.highlight span, .stat-card.highlight small { color: #d4e4ee; }
.dashboard-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; margin: 14px 0; }
.dashboard-card { padding: 22px; }
.dashboard-card h2 { margin: 0 0 16px; color: var(--navy); font-size: 18px; }
.bar-row { margin: 12px 0; }
.bar-row > div:first-child { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 4px; color: #475d70; font-size: 13px; }
.bar { height: 8px; overflow: hidden; border-radius: 99px; background: #e9eff2; }
.bar i { display: block; height: 100%; min-width: 2px; border-radius: inherit; background: var(--teal); }
.bar.blue i { background: #2b6cb0; }
.bar.amber i { background: var(--amber); }
.readiness-card dl { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin: 0; }
.readiness-card dl div { padding: 13px; background: var(--paper); border-radius: 10px; }
.readiness-card dt { color: var(--muted); font-size: 12px; }
.readiness-card dd { margin: 2px 0 0; color: var(--navy); font-size: 27px; font-weight: 800; }
.filter-card { margin: 14px 0 24px; padding: 18px; }
.filter-form { display: grid; grid-template-columns: 1.5fr repeat(3,1fr) auto auto; gap: 10px; align-items: end; }
.filter-form label { display: grid; gap: 4px; color: var(--muted); font-size: 12px; }
.filter-form input, .filter-form select { padding: 9px 10px; background: #fff; }
.text-link { align-self: center; padding: 10px; color: var(--green); font-weight: 700; text-decoration: none; }
.export-links { display: flex; gap: 16px; margin-top: 12px; font-size: 13px; }
.export-links a { color: var(--green); font-weight: 700; }
.section-title-line { display: flex; justify-content: space-between; align-items: center; margin: 28px 0 12px; }
.section-title-line h2 { margin: 0; color: var(--navy); }
.section-title-line span { color: var(--muted); font-size: 13px; }
.question-list { display: grid; gap: 12px; }
.question-card { padding: 20px 22px; }
.question-card.candidate { border-left: 5px solid var(--teal); }
.question-topline { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.badges { display: flex; flex-wrap: wrap; gap: 7px; }
.badge { display: inline-flex; align-items: center; min-height: 25px; padding: 3px 9px; border-radius: 999px; font-size: 11px; font-weight: 800; }
.badge.category { color: var(--green); background: var(--mint); }
.badge.muted { color: #5d6d7a; background: #edf1f4; }
.candidate-badge { color: #815500; background: #fff1c9; }
.score { color: var(--muted); white-space: nowrap; }
.score strong { color: var(--navy); font-size: 27px; }
.question-card h3 { margin: 13px 0 7px; color: var(--navy); font-size: 19px; line-height: 1.55; }
.identity { margin: 0 0 12px; color: var(--muted); font-size: 13px; }
.question-facts { display: flex; flex-wrap: wrap; gap: 8px; }
.question-facts span { padding: 4px 9px; border-radius: 7px; background: var(--paper); color: #4a5f70; font-size: 12px; }
.danger-text { color: var(--red) !important; background: #fff0f1 !important; }
details { margin-top: 14px; border-top: 1px solid var(--line); padding-top: 10px; }
summary { color: var(--green); font-size: 13px; font-weight: 700; cursor: pointer; }
.detail-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px 18px; }
.detail-grid div { padding: 9px 0; }
.detail-grid dt { color: var(--muted); font-size: 12px; }
.detail-grid dd { margin: 2px 0; }
.empty-state { padding: 60px 20px; text-align: center; color: var(--muted); background: #fff; border-radius: 16px; }

/* Brief */
.brief-actions { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.brief-actions a { color: var(--green); font-weight: 700; text-decoration: none; }
.brief-page { max-width: 1040px; margin: 0 auto; padding: 54px; background: #fff; box-shadow: var(--shadow); }
.brief-header { border-bottom: 4px solid var(--green); padding-bottom: 22px; }
.brief-header .eyebrow { color: var(--green); }
.brief-header h1 { margin: 7px 0; color: var(--navy); font-size: 31px; }
.brief-header p { margin: 0; color: var(--muted); }
.brief-summary { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; margin: 25px 0; background: var(--line); border: 1px solid var(--line); }
.brief-summary div { display: grid; padding: 18px; background: #fff; }
.brief-summary strong { color: var(--navy); font-size: 30px; }
.brief-summary span { color: var(--muted); font-size: 12px; }
.brief-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.brief-grid > div { padding: 18px; background: var(--paper); border-radius: 12px; }
.brief-page h2 { margin: 0 0 12px; color: var(--navy); font-size: 20px; }
.brief-grid ul { margin: 0; padding: 0; list-style: none; }
.brief-grid li { display: flex; justify-content: space-between; gap: 14px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.brief-grid li:last-child { border-bottom: 0; }
.brief-grid li span { color: #4b6072; }
.brief-questions { margin-top: 28px; }
.brief-questions > article { display: grid; grid-template-columns: 36px 1fr; gap: 14px; padding: 17px 0; border-top: 1px solid var(--line); break-inside: avoid; }
.brief-rank { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--navy); font-weight: 800; }
.brief-question-meta { display: flex; flex-wrap: wrap; gap: 8px; color: var(--green); font-size: 11px; font-weight: 700; }
.brief-questions h3 { margin: 5px 0; color: var(--navy); font-size: 17px; }
.brief-questions p { margin: 3px 0; color: var(--muted); font-size: 12px; }
.brief-questions .brief-warning { color: var(--red); }
.brief-questions .brief-ok { color: var(--green); font-weight: 700; }
.brief-plan { margin-top: 28px; padding: 20px; background: var(--mint); border-left: 5px solid var(--green); break-inside: avoid; }
.brief-plan ol { margin: 0; padding-left: 22px; }

@media (max-width: 820px) {
  .page-shell { width: min(100% - 24px, 920px); padding-top: 24px; }
  .site-header { padding: 12px 18px; }
  .brand img { height: 42px; }
  .hero { padding: 38px 27px; border-radius: 21px; }
  .form-section { padding: 23px 18px; }
  .two-columns, .dashboard-grid, .brief-grid { grid-template-columns: 1fr; }
  .three-columns { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .five-columns { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .path-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .site-footer { flex-direction: column; align-items: center; text-align: center; }
  .admin-header { position: relative; align-items: flex-start; padding: 13px 18px; }
  .admin-header nav { justify-content: flex-end; gap: 10px 15px; }
  .admin-shell { width: min(100% - 24px, 1380px); padding-top: 22px; }
  .admin-title-row { align-items: flex-start; flex-direction: column; }
  .stat-grid { grid-template-columns: repeat(2,1fr); }
  .filter-form { grid-template-columns: 1fr 1fr; }
  .filter-form label:first-child { grid-column: 1 / -1; }
  .brief-page { padding: 28px 22px; }
  .brief-summary { grid-template-columns: repeat(2,1fr); }
}

@media (max-width: 480px) {
  .header-actions { gap: 8px; }
  .header-label { display: none; }
  .hero h1 { font-size: 40px; }
  .english-hero h1 { font-size: 36px; }
  .hero-subtitle { font-size: 21px; }
  .hero-copy { font-size: 15px; }
  .section-heading h2 { font-size: 21px; }
  .three-columns, .five-columns, .path-grid { grid-template-columns: 1fr; }
  .option-card { min-height: 49px; }
  .success-card, .login-card { padding: 32px 20px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat-card { min-height: 116px; padding: 15px; }
  .stat-card strong { font-size: 32px; }
  .filter-form { grid-template-columns: 1fr; }
  .filter-form label:first-child { grid-column: auto; }
  .question-card { padding: 17px 15px; }
  .question-topline { flex-direction: column-reverse; gap: 6px; }
  .detail-grid { grid-template-columns: 1fr; }
  .admin-header .brand img { height: 34px; }
  .admin-header nav a { font-size: 12px; }
}

@media print {
  @page { size: A4; margin: 14mm; }
  body { background: #fff; font-size: 10pt; }
  .admin-header, .brief-actions { display: none !important; }
  .admin-shell { width: 100%; margin: 0; padding: 0; }
  .brief-page { max-width: none; margin: 0; padding: 0; box-shadow: none; }
  .brief-header h1 { font-size: 24pt; }
  .brief-summary strong { font-size: 20pt; }
}