:root {
  --primary: #116149;
  --primary-dark: #0b4836;
  --primary-soft: #e8f4ef;
  --blue: #176aa6;
  --blue-soft: #e9f3fa;
  --amber: #a75a08;
  --amber-soft: #fff2df;
  --danger: #a33b32;
  --danger-soft: #fbeceb;
  --ink: #17211d;
  --muted: #64706a;
  --line: #dce4e0;
  --surface: #ffffff;
  --page: #f4f7f5;
  --shadow: 0 8px 20px rgba(25, 54, 43, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html { background: var(--page); color: var(--ink); font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; }
body { min-width: 320px; min-height: 100vh; background: var(--page); }
button, input, select { font: inherit; }
button, a { touch-action: manipulation; }
button { color: inherit; }

.app-shell { width: min(100%, 560px); min-height: 100vh; margin: 0 auto; background: var(--surface); box-shadow: 0 0 32px rgba(22, 50, 39, 0.08); }
.topbar { min-height: 88px; padding: 20px 18px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; color: #fff; background: var(--primary); }
.eyebrow { font-size: 12px; line-height: 1.4; color: inherit; opacity: .76; }
.topbar h1 { margin-top: 3px; font-size: 21px; line-height: 1.3; letter-spacing: 0; }
.icon-button { width: 42px; height: 42px; flex: 0 0 42px; border: 0; border-radius: 8px; display: grid; place-items: center; background: rgba(255,255,255,.14); cursor: pointer; }
.icon-button svg { width: 21px; height: 21px; }
main { min-height: calc(100vh - 88px); padding-bottom: calc(82px + env(safe-area-inset-bottom)); }
.view { display: none; padding: 16px; }
.view.active { display: block; }

.notice-strip { min-height: 74px; padding: 13px 14px; display: grid; grid-template-columns: 34px 1fr auto; align-items: center; gap: 10px; border: 1px solid #f1d8b5; border-radius: 8px; background: var(--amber-soft); }
.notice-strip > svg { width: 25px; color: var(--amber); }
.notice-strip strong, .notice-strip span { display: block; }
.notice-strip strong { font-size: 15px; }
.notice-strip span { margin-top: 3px; font-size: 13px; color: #71583a; }
.notice-strip button { padding: 8px 10px; border: 0; border-radius: 6px; color: #fff; background: var(--amber); cursor: pointer; }

.search-box { height: 50px; margin: 14px 0 18px; padding-left: 14px; display: grid; grid-template-columns: 22px 1fr auto; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: var(--shadow); }
.search-box svg { width: 19px; color: var(--muted); }
.search-box input { min-width: 0; height: 46px; border: 0; outline: 0; color: var(--ink); background: transparent; }
.search-box button { height: 38px; margin-right: 5px; padding: 0 14px; border: 0; border-radius: 6px; color: #fff; background: var(--primary); cursor: pointer; }

.section-block { margin-top: 20px; }
.section-heading { min-height: 34px; margin-bottom: 10px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.section-heading h2 { font-size: 17px; line-height: 1.35; }
.section-heading button { border: 0; color: var(--primary); background: transparent; cursor: pointer; }
.service-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.service-tile { min-width: 0; min-height: 92px; padding: 10px 4px 8px; border: 1px solid var(--line); border-radius: 8px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; background: #fff; cursor: pointer; }
.service-tile .tile-icon { width: 38px; height: 38px; border-radius: 8px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); }
.service-tile:nth-child(3n+2) .tile-icon { color: var(--blue); background: var(--blue-soft); }
.service-tile:nth-child(3n) .tile-icon { color: var(--amber); background: var(--amber-soft); }
.tile-icon svg { width: 20px; height: 20px; }
.service-tile span { max-width: 100%; font-size: 13px; line-height: 1.25; text-align: center; overflow-wrap: anywhere; }

.compact-list, .service-list, .tool-list, .venue-list { display: grid; gap: 10px; }
.compact-row, .service-row, .tool-row, .venue-card { width: 100%; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.compact-row, .service-row { padding: 13px; display: grid; grid-template-columns: 36px 1fr 20px; align-items: center; gap: 10px; text-align: left; cursor: pointer; }
.row-icon { width: 36px; height: 36px; border-radius: 8px; display: grid; place-items: center; color: var(--blue); background: var(--blue-soft); }
.row-icon svg { width: 19px; }
.row-copy { min-width: 0; }
.row-copy strong, .row-copy span { display: block; }
.row-copy strong { font-size: 15px; line-height: 1.35; }
.row-copy span { margin-top: 4px; font-size: 12px; line-height: 1.45; color: var(--muted); }
.compact-row > svg, .service-row > svg { width: 18px; color: #91a099; }
.source-note { padding: 12px; display: grid; grid-template-columns: 22px 1fr; gap: 9px; border: 1px solid var(--line); border-radius: 8px; color: var(--muted); background: #f8faf9; }
.source-note svg { width: 18px; color: var(--primary); }
.source-note p { font-size: 12px; line-height: 1.6; }

.page-title { min-height: 56px; margin-bottom: 14px; display: flex; align-items: center; gap: 10px; }
.page-title .eyebrow { color: var(--muted); opacity: 1; }
.page-title h2 { margin-top: 2px; font-size: 22px; line-height: 1.3; }
.page-title.with-back .icon-button { color: var(--ink); background: #eef2f0; }
.filter-row, .quick-questions { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; padding-bottom: 8px; }
.filter-row::-webkit-scrollbar, .quick-questions::-webkit-scrollbar { display: none; }
.filter-row button, .quick-questions button { flex: 0 0 auto; min-height: 36px; padding: 0 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; cursor: pointer; white-space: nowrap; }
.filter-row button.active { border-color: var(--primary); color: #fff; background: var(--primary); }
.service-row .status { justify-self: start; width: auto; height: auto; margin-top: 6px; padding: 3px 6px; border-radius: 4px; font-size: 11px; color: var(--primary); background: var(--primary-soft); }

.answer-panel { min-height: 230px; margin-top: 10px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.answer-empty { min-height: 190px; display: grid; place-content: center; justify-items: center; gap: 10px; color: var(--muted); text-align: center; }
.answer-empty svg { width: 30px; color: var(--primary); }
.answer-empty p { max-width: 260px; font-size: 13px; line-height: 1.6; }
.answer-panel h3 { font-size: 17px; line-height: 1.4; }
.answer-panel .answer-status { display: inline-block; margin: 8px 0 10px; padding: 3px 7px; border-radius: 4px; font-size: 11px; color: var(--blue); background: var(--blue-soft); }
.answer-panel p { font-size: 14px; line-height: 1.75; }
.answer-panel .answer-source { margin-top: 14px; padding-top: 10px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.answer-panel button { margin-top: 12px; border: 0; color: var(--primary); background: transparent; cursor: pointer; }

.segmented { height: 42px; margin-bottom: 14px; padding: 3px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 3px; border-radius: 8px; background: #e9efec; }
.segmented button { border: 0; border-radius: 6px; color: var(--muted); background: transparent; cursor: pointer; }
.segmented button.active { color: var(--ink); background: #fff; box-shadow: 0 2px 8px rgba(27, 53, 43, .08); }
.calc-panel { display: none; }
.calc-panel.active { display: block; }
.panel-lead { margin-bottom: 14px; font-size: 13px; line-height: 1.65; color: var(--muted); }
.form-stack { display: grid; gap: 12px; }
.score-inputs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.form-stack label { min-width: 0; display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
.form-stack input, .form-stack select { width: 100%; height: 44px; padding: 0 10px; border: 1px solid var(--line); border-radius: 7px; outline: 0; color: var(--ink); background: #fff; }
.form-stack input:focus, .form-stack select:focus { border-color: var(--primary); }
.two-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.primary-button, .primary-link { min-height: 46px; border: 0; border-radius: 8px; display: grid; place-items: center; color: #fff; background: var(--primary); text-decoration: none; cursor: pointer; }
.calc-result { display: none; margin-top: 14px; padding: 14px; border: 1px solid #bcd9cd; border-radius: 8px; background: var(--primary-soft); }
.calc-result.active { display: block; }
.calc-result strong { display: block; font-size: 24px; line-height: 1.25; color: var(--primary-dark); }
.calc-result span, .calc-result p { display: block; margin-top: 6px; font-size: 13px; line-height: 1.55; color: #42564d; }
.text-link { display: inline-block; margin-top: 14px; color: var(--blue); font-size: 13px; }

.teacher-intro { padding: 14px; display: grid; grid-template-columns: 38px 1fr; gap: 11px; border-radius: 8px; color: #fff; background: var(--blue); }
.teacher-intro svg { width: 26px; }
.teacher-intro strong { font-size: 15px; }
.teacher-intro p { margin-top: 5px; font-size: 12px; line-height: 1.55; opacity: .9; }
.tool-list { margin-top: 14px; }
.tool-row { padding: 14px; }
.tool-row header { display: flex; align-items: center; gap: 9px; }
.tool-row header svg { width: 20px; color: var(--primary); }
.tool-row h3 { font-size: 15px; }
.tool-row p { margin-top: 8px; font-size: 13px; line-height: 1.65; color: var(--muted); }
.experience-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.experience-item { min-height: 72px; padding: 11px; border: 1px solid var(--line); border-radius: 8px; }
.experience-item strong { font-size: 13px; }
.experience-item p { margin-top: 5px; font-size: 11px; line-height: 1.45; color: var(--muted); }
.primary-link { margin-top: 16px; }

.venue-card { padding: 14px; }
.venue-card header { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.venue-card h3 { font-size: 15px; line-height: 1.4; }
.venue-card .campus-tag { flex: 0 0 auto; padding: 3px 6px; border-radius: 4px; color: var(--blue); background: var(--blue-soft); font-size: 11px; }
.venue-card p { margin-top: 7px; font-size: 13px; line-height: 1.55; color: var(--muted); }
.venue-actions { margin-top: 12px; display: flex; gap: 8px; }
.venue-actions a { min-height: 38px; padding: 0 12px; border: 1px solid var(--primary); border-radius: 7px; display: inline-flex; align-items: center; gap: 6px; color: var(--primary); text-decoration: none; }
.venue-actions svg { width: 17px; }

.detail-hero { padding: 14px; border-left: 4px solid var(--primary); border-radius: 4px; background: var(--primary-soft); }
.detail-hero p { font-size: 14px; line-height: 1.7; }
.detail-section { margin-top: 18px; }
.detail-section h3 { font-size: 16px; line-height: 1.4; }
.detail-section ul, .detail-section ol { margin-top: 9px; padding-left: 20px; }
.detail-section li { margin: 7px 0; font-size: 14px; line-height: 1.7; }
.detail-section p { margin-top: 8px; font-size: 14px; line-height: 1.75; }
.detail-warning { margin-top: 14px; padding: 12px; border: 1px solid #eed0cb; border-radius: 8px; color: #723b34; background: var(--danger-soft); font-size: 13px; line-height: 1.6; }
.source-list { margin-top: 14px; display: grid; gap: 8px; }
.source-link { padding: 11px; border: 1px solid var(--line); border-radius: 8px; display: grid; grid-template-columns: 1fr 18px; gap: 8px; color: var(--ink); text-decoration: none; }
.source-link strong, .source-link span { display: block; }
.source-link strong { font-size: 13px; line-height: 1.45; }
.source-link span { margin-top: 3px; font-size: 11px; color: var(--muted); }
.source-link svg { width: 17px; color: var(--blue); }

.bottom-nav { position: fixed; z-index: 10; left: 50%; bottom: 0; width: min(100%, 560px); min-height: 64px; padding: 5px 4px calc(5px + env(safe-area-inset-bottom)); display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); background: rgba(255,255,255,.97); transform: translateX(-50%); backdrop-filter: blur(10px); }
.bottom-nav button { min-width: 0; min-height: 52px; border: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; color: var(--muted); background: transparent; cursor: pointer; }
.bottom-nav svg { width: 20px; height: 20px; }
.bottom-nav span { font-size: 11px; white-space: nowrap; }
.bottom-nav button.active { color: var(--primary); }

@media (max-width: 370px) {
  .view { padding: 13px; }
  .service-grid { gap: 6px; }
  .service-tile { min-height: 86px; }
  .service-tile span { font-size: 12px; }
  .score-inputs { grid-template-columns: 1fr; }
}

@media (min-width: 561px) {
  body { padding: 20px 0; }
  .app-shell { min-height: calc(100vh - 40px); border-radius: 8px; overflow: hidden; }
}