:root {
  --bg: #07111f;
  --bg2: #0d1b2f;
  --panel: rgba(255,255,255,.08);
  --panel2: rgba(255,255,255,.13);
  --line: rgba(255,255,255,.16);
  --text: #f7efe1;
  --muted: rgba(247,239,225,.68);
  --gold: #f4c76f;
  --red: #bc3c3c;
  --blue: #244b74;
  --green: #35b9a3;
  --paper: #fff6df;
  --ink: #182336;
  --shadow: rgba(0,0,0,.35);
  --radius: 28px;
  --radius2: 18px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  background:
    radial-gradient(circle at 12% 6%, rgba(53,185,163,.28), transparent 32rem),
    radial-gradient(circle at 85% 12%, rgba(244,199,111,.2), transparent 26rem),
    linear-gradient(145deg, #06101d 0%, #0b1830 45%, #180d16 100%);
  line-height: 1.7;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

a { color: inherit; }
button, input { font: inherit; }
button { cursor: pointer; }
.text-button {
  border: 0;
  padding: 0;
  color: inherit;
  background: transparent;
  font: inherit;
  font-weight: inherit;
  text-align: left;
}
.text-button:hover { color: var(--gold); }

.orb {
  position: fixed;
  width: 22rem;
  height: 22rem;
  border-radius: 50%;
  filter: blur(30px);
  opacity: .28;
  pointer-events: none;
}
.orb-a { left: -8rem; top: 18rem; background: var(--green); }
.orb-b { right: -9rem; top: 45rem; background: var(--red); }

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 18px;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 16px;
  color: #101827;
  background: linear-gradient(135deg, var(--gold), #fff0bc);
  font-weight: 900;
}
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); font-size: 12px; letter-spacing: .12em; }

.menu-btn {
  border: 1px solid var(--line);
  color: var(--text);
  background: var(--panel);
  border-radius: 999px;
  padding: 9px 14px;
}

.dock {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  z-index: 40;
  display: flex;
  gap: 2px;
  width: min(900px, calc(100% - 24px));
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 17, 31, .82);
  backdrop-filter: blur(20px);
  box-shadow: 0 18px 44px rgba(0,0,0,.4);
}
.dock a {
  flex: 1;
  text-align: center;
  text-decoration: none;
  color: var(--muted);
  border-radius: 999px;
  padding: 10px 8px;
  font-size: 14px;
}
.dock a.active, .dock a:hover {
  color: var(--ink);
  background: var(--gold);
}

main { padding-bottom: 100px; }
.section {
  width: min(var(--max), calc(100% - 28px));
  margin: 0 auto 28px;
}
.hero {
  min-height: 650px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, .75fr);
  gap: 24px;
  align-items: stretch;
  padding-top: 24px;
}
.hero-copy, .phone-card, .warning-grid article, .quick-grid a, .control-card, .progress-card, .material-card, .tip-card, .faq-item, .contact-card {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.055));
  box-shadow: 0 22px 70px var(--shadow);
  backdrop-filter: blur(18px);
}
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-radius: var(--radius);
  padding: clamp(28px, 6vw, 70px);
  overflow: hidden;
  position: relative;
}
.hero-copy::after {
  content: "TYUT";
  position: absolute;
  right: -18px;
  bottom: -40px;
  font-size: clamp(6rem, 20vw, 16rem);
  font-weight: 1000;
  color: rgba(255,255,255,.04);
  letter-spacing: -.08em;
}
.kicker {
  margin: 0 0 12px;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: .12em;
  font-size: 12px;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 9ch;
  margin-bottom: 20px;
  font-size: clamp(54px, 9vw, 116px);
  line-height: .9;
  letter-spacing: -.08em;
}
.lead {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 22px);
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 999px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 800;
}
.btn.primary {
  color: #111827;
  background: linear-gradient(135deg, var(--gold), #fff0b8);
  border-color: transparent;
}
.btn.ghost, .btn.subtle {
  color: var(--text);
  background: var(--panel);
}

.phone-card {
  border-radius: 38px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.phone-top { display: flex; justify-content: center; gap: 6px; padding: 8px 0; }
.phone-top span {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: rgba(255,255,255,.32);
}
.screen-card {
  flex: 1;
  min-height: 420px;
  border-radius: 28px;
  padding: 26px;
  background:
    linear-gradient(160deg, rgba(14,34,58,.92), rgba(188,60,60,.62)),
    url("./assets/screenshots/570994b0-434c-4e7c-b444-40b50845ba53_Screenshot_2026-07-22-00-27-21-785_com.tencent.mm.jpg") center/cover;
  background-blend-mode: multiply;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}
.screen-card p { color: rgba(255,255,255,.72); letter-spacing: .12em; font-size: 12px; }
.screen-card h2 { font-size: 52px; line-height: .96; letter-spacing: -.06em; }
.mini-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.mini-grid button, .inline-pop {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255,255,255,.12);
  border-radius: 14px;
  padding: 12px;
}
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.stats div {
  border-radius: 18px;
  padding: 14px;
  background: rgba(255,255,255,.08);
}
.stats strong { display: block; font-size: 30px; line-height: 1; }
.stats span { color: var(--muted); font-size: 13px; }

.warning-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.warning-grid article {
  border-radius: 24px;
  padding: 22px;
}
.warning-grid span, .feature span {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
}
.warning-grid p { margin: 0; }

.section-head {
  margin-bottom: 18px;
}
.section-head h2 {
  margin-bottom: 10px;
  font-size: clamp(36px, 7vw, 74px);
  line-height: .95;
  letter-spacing: -.07em;
}
.section-head p:not(.kicker) {
  max-width: 760px;
  color: var(--muted);
}
.section-head.light h2, .section-head.light p:not(.kicker) { color: var(--text); }

.quick-grid, .network-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.quick-grid a {
  display: grid;
  gap: 8px;
  min-height: 150px;
  border-radius: 24px;
  padding: 20px;
  text-decoration: none;
}
.quick-grid b {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 16px;
  background: var(--blue);
}
.quick-grid span { font-size: 20px; font-weight: 900; }
.quick-grid small { color: var(--muted); }

.map-section, .checklist-section, .route-section {
  width: 100%;
  max-width: none;
  padding: 54px max(14px, calc((100vw - var(--max)) / 2));
  background: linear-gradient(160deg, rgba(17,42,72,.98), rgba(9,22,40,.92));
}
.map-layout {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 18px;
}
.map-visual {
  position: sticky;
  top: 84px;
  min-height: 520px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(rgba(255,246,223,.88), rgba(255,246,223,.88)),
    linear-gradient(rgba(19,35,56,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19,35,56,.12) 1px, transparent 1px);
  background-size: auto, 30px 30px, 30px 30px;
  overflow: hidden;
  color: var(--ink);
}
.river {
  position: absolute;
  left: 46%;
  top: 8%;
  width: 18px;
  height: 78%;
  border-radius: 999px;
  background: rgba(59,135,168,.28);
  transform: rotate(4deg);
}
.map-line {
  position: absolute;
  left: 20%;
  top: 47%;
  width: 64%;
  border-top: 3px dashed rgba(188,60,60,.45);
  transform: rotate(19deg);
}
.pin {
  position: absolute;
  z-index: 2;
  border: 0;
  width: 78px;
  height: 78px;
  border-radius: 50%;
  color: #fff;
  background: var(--red);
  box-shadow: 0 10px 20px rgba(0,0,0,.24);
  font-weight: 900;
}
.pin-hy { left: 18%; top: 42%; background: var(--blue); }
.pin-yx { left: 16%; top: 30%; }
.pin-mx { right: 15%; bottom: 20%; background: #102239; }
.map-visual small {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 20px;
  color: rgba(24,35,54,.62);
}
.campus-cards { display: grid; gap: 14px; }
.campus-card, .feature, .place-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 22px;
  background: linear-gradient(145deg, rgba(255,255,255,.12), rgba(255,255,255,.055));
}
.campus-card h3 { margin-bottom: 4px; font-size: 30px; letter-spacing: -.04em; }
.campus-card p { color: var(--muted); }
.campus-card ul, .feature ul { padding-left: 18px; color: var(--muted); }

.control-card {
  border-radius: 24px;
  padding: 16px;
  margin-bottom: 16px;
}
.control-card input {
  width: 100%;
  min-height: 52px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0 18px;
  color: var(--text);
  background: rgba(255,255,255,.08);
  outline: none;
}
.control-card input:focus { border-color: var(--gold); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255,255,255,.06);
  border-radius: 999px;
  padding: 8px 12px;
}
.chip.active {
  color: var(--ink);
  background: var(--gold);
  border-color: transparent;
}
.place-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.place-card {
  min-height: 160px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-align: left;
  color: var(--text);
}
.place-card h3 { margin: 0; font-size: 22px; }
.place-card p { color: var(--muted); margin: 0; }
.place-card b {
  align-self: flex-start;
  border-radius: 999px;
  padding: 5px 10px;
  color: var(--ink);
  background: var(--gold);
  font-size: 12px;
}

.progress-card {
  display: flex;
  align-items: center;
  gap: 18px;
  border-radius: 24px;
  padding: 18px;
  margin-bottom: 14px;
}
.ring {
  --p: 0%;
  display: grid;
  place-items: center;
  width: 94px;
  height: 94px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: conic-gradient(var(--gold) var(--p), rgba(255,255,255,.12) 0);
}
.ring span {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #0d1b2f;
  font-weight: 1000;
  font-size: 23px;
}
.progress-card p { margin: 0; color: var(--muted); }
.progress-card .btn { margin-left: auto; }
.check-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 12px;
}
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}
.check-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background: rgba(255,255,255,.08);
}
.check-card header {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}
.check-card header b {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  border-radius: 50%;
  color: var(--ink);
  background: var(--gold);
}
.check-card header h3 { margin: 0; }
.check-card header p { margin: 0; color: var(--muted); }
.check-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 13px 18px;
  border-top: 1px dashed rgba(255,255,255,.1);
}
.check-item input {
  width: 22px;
  height: 22px;
  accent-color: var(--gold);
}
.check-item span.checked { color: var(--muted); text-decoration: line-through; }
.tag-btn, .tag {
  border: 1px solid rgba(244,199,111,.42);
  color: var(--gold);
  background: transparent;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 12px;
  white-space: nowrap;
}

.network-grid { grid-template-columns: repeat(3,1fr); }
.feature h3 { font-size: 32px; line-height: 1.1; letter-spacing: -.04em; }
.feature.red { background: linear-gradient(145deg, rgba(188,60,60,.42), rgba(255,255,255,.06)); }
.feature.blue { background: linear-gradient(145deg, rgba(36,75,116,.72), rgba(255,255,255,.06)); }
.feature.pale { color: var(--ink); background: var(--paper); }
.feature.pale p { color: rgba(24,35,54,.72); }
.feature.pale .inline-pop { color: var(--ink); border-color: rgba(24,35,54,.2); background: rgba(24,35,54,.07); }

.material-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 14px;
}
.material-card {
  border-radius: 24px;
  padding: 18px;
  text-align: left;
  color: var(--text);
}
.material-card img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 18px;
  margin-bottom: 12px;
  border: 1px solid var(--line);
}
.material-card h3 { margin-bottom: 2px; }
.material-card p { color: var(--muted); margin: 0; }

.tip-list { display: grid; gap: 14px; }
.tip-card {
  border-radius: 24px;
  padding: 22px;
}
.tip-card .num { color: var(--gold); font-weight: 1000; letter-spacing: .1em; }
.tip-card h3 { font-size: 34px; line-height: 1.1; letter-spacing: -.05em; }
.tip-card p { color: var(--muted); }
.tip-sections {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 10px;
}
.tip-sections div {
  border-radius: 18px;
  padding: 14px;
  background: rgba(255,255,255,.07);
}
.tip-sections b { color: var(--gold); }
.tip-sections ul { margin: 8px 0 0; padding-left: 18px; color: var(--muted); }

.timeline {
  display: grid;
  grid-template-columns: repeat(7, minmax(130px,1fr));
  gap: 10px;
  overflow-x: auto;
}
.timeline article {
  min-width: 150px;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 18px;
  background: rgba(255,255,255,.08);
}
.timeline b { color: var(--gold); }
.timeline p { color: var(--muted); margin-bottom: 0; }

.faq-list { display: grid; gap: 10px; }
.faq-item {
  border-radius: 18px;
  overflow: hidden;
}
.faq-item button {
  width: 100%;
  border: 0;
  color: var(--text);
  background: transparent;
  padding: 18px;
  display: flex;
  justify-content: space-between;
  text-align: left;
  font-weight: 900;
}
.faq-item p {
  display: none;
  padding: 0 18px 18px;
  margin: 0;
  color: var(--muted);
}
.faq-item.open p { display: block; }

.contact-card {
  border-radius: var(--radius);
  padding: clamp(24px, 5vw, 46px);
}
.contact-card h2 { font-size: clamp(36px, 7vw, 72px); line-height: .95; letter-spacing: -.07em; }
.contact-card p { color: var(--muted); max-width: 760px; }
.contact-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; margin-top: 20px; }
.contact-grid div {
  border-radius: 22px;
  padding: 20px;
  background: rgba(255,255,255,.08);
}
.contact-grid .wechat-only {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 360px);
  gap: 20px;
  align-items: center;
}
.contact-grid b, .contact-grid span, .contact-grid small { display: block; }
.contact-grid b { color: var(--gold); }
.contact-grid span { font-size: 28px; font-weight: 1000; }
.contact-grid small { color: var(--muted); }
.contact-grid img {
  width: 100%;
  max-width: 360px;
  justify-self: end;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal.show { display: flex; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.62);
  backdrop-filter: blur(12px);
}
.modal-card {
  position: relative;
  z-index: 1;
  width: min(940px, 100%);
  max-height: min(820px, calc(100vh - 36px));
  overflow: hidden;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  border-radius: 30px;
  border: 1px solid var(--line);
  background: #0b1729;
  box-shadow: 0 30px 90px rgba(0,0,0,.55);
}
.modal-close {
  position: absolute;
  right: 14px;
  top: 14px;
  z-index: 2;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--text);
  background: rgba(0,0,0,.35);
}
.modal-media {
  min-height: 470px;
  background: linear-gradient(145deg, rgba(244,199,111,.18), rgba(53,185,163,.18));
}
.modal-media img, .modal-media svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.modal-body {
  padding: 34px;
  overflow: auto;
}
.modal-body h2 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: .95;
  letter-spacing: -.06em;
}
.modal-body p { color: var(--muted); }
.modal-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

.tip-source {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.tip-source a { color: var(--gold); }
.contact-disclaimer {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.source-section { padding-top: 10px; }
.source-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 30px;
  padding: clamp(26px, 4vw, 48px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(135deg, rgba(244,199,111,.12), rgba(53,185,163,.08));
}
.source-card h2 { margin: 6px 0 10px; font-size: clamp(30px, 4vw, 50px); }
.source-card p:last-child { max-width: 760px; color: var(--muted); }

@media (max-width: 920px) {
  .hero, .map-layout { grid-template-columns: 1fr; }
  .phone-card { min-height: 560px; }
  .warning-grid, .quick-grid, .network-grid, .material-grid { grid-template-columns: repeat(2,1fr); }
  .place-grid { grid-template-columns: repeat(3,1fr); }
  .checklist-grid { grid-template-columns: 1fr; }
  .map-visual { position: relative; top: auto; }
  .modal-card { grid-template-columns: 1fr; overflow: auto; }
  .modal-media { min-height: 320px; }
}

@media (max-width: 640px) {
  .topbar { padding: 12px 14px; }
  .brand strong { font-size: 14px; }
  .brand-mark { width: 38px; height: 38px; border-radius: 13px; }
  .dock { overflow-x: auto; justify-content: flex-start; }
  .dock a { min-width: 72px; }
  .hero { min-height: auto; padding-top: 10px; }
  .hero-copy { padding: 28px 22px; }
  h1 { font-size: 62px; }
  .screen-card h2 { font-size: 44px; }
  .warning-grid, .quick-grid, .network-grid, .material-grid, .place-grid, .contact-grid { grid-template-columns: 1fr; }
  .contact-grid .wechat-only { grid-template-columns: 1fr; }
  .contact-grid img { justify-self: start; }
  .progress-card { align-items: flex-start; flex-wrap: wrap; }
  .progress-card .btn { margin-left: 0; }
  .tip-sections { grid-template-columns: 1fr; }
  .modal { padding: 10px; }
  .modal-body { padding: 24px; }
  .source-card { grid-template-columns: 1fr; }
}