:root {
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  color: #301b1e;
  background: #98101e;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; overflow: hidden; }
body { min-height: 100svh; }
button { font: inherit; }

.app {
  position: relative;
  width: 100%;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background: #9f1221;
}

.backdrop {
  position: absolute;
  inset: 0;
  z-index: -3;
  background: url("./assets/cover-v24-hd.webp") center center / cover no-repeat;
  transition: opacity .18s ease;
  transform: scale(1.03);
  animation: drift 12s ease-in-out infinite alternate;
  will-change: opacity;
}

.wash {
  position: absolute;
  inset: 0;
  z-index: -2;
  transition: opacity .25s ease;
  background:
    linear-gradient(180deg, rgba(118, 2, 16, .25), rgba(119, 5, 20, .06) 37%, rgba(91, 0, 13, .42)),
    radial-gradient(circle at 50% 44%, rgba(255, 249, 237, .1), rgba(112, 0, 15, .2) 72%);
}
.app.is-cover .wash { opacity: 0; }
.app.is-cover .backdrop { transform: none; animation: none; }

.sound {
  position: absolute; z-index: 20; right: max(18px, env(safe-area-inset-right)); top: max(18px, env(safe-area-inset-top));
  width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%;
  color: #fff; background: rgba(135,0,18,.62); backdrop-filter: blur(8px); cursor: pointer;
  box-shadow: 0 8px 24px rgba(63,0,8,.22);
}
.sound[aria-pressed="false"] { opacity: .62; }
.sound[aria-pressed="false"] span { text-decoration: line-through; }

.screen {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center;
  padding: max(24px, env(safe-area-inset-top)) 22px max(22px, env(safe-area-inset-bottom));
  opacity: 0; visibility: hidden; transform: translateY(20px) scale(.985); transition: opacity .45s, transform .45s, visibility .45s;
}
.screen.is-active { opacity: 1; visibility: visible; transform: none; }

.brand-pill {
  align-self: flex-start; padding: 8px 15px; border-radius: 999px;
  color: #fff8eb; background: rgba(157,10,29,.88); border: 1px solid rgba(255,228,188,.7);
  box-shadow: 0 8px 25px rgba(87,0,11,.22); font-weight: 700; letter-spacing: .06em; font-size: .88rem;
}
.brand-pill.compact { padding: 7px 13px; font-size: .78rem; }

.intro { justify-content: flex-start; }
.cover-logo {
  align-self: flex-start; width: clamp(58px, 16vw, 82px); margin-top: 2px;
  filter: drop-shadow(0 5px 10px rgba(56,65,97,.18));
}
.cover-logo img { display: block; width: 100%; height: auto; }
.intro-copy { width: min(100%, 520px); margin-top: clamp(24px, 3vh, 40px); text-align: center; transform: translateY(-20px); }
.intro-kicker {
  position: relative; width: min(84vw, 395px); height: 106px; margin: 0 auto 5px;
  color: #ad4e40; font-size: clamp(1.5rem, 5.8vw, 1.9rem); font-weight: 900;
  letter-spacing: .06em; white-space: nowrap;
}
.intro-kicker img { display: block; width: 100%; height: 100%; }
.intro-kicker > span { position: absolute; left: 50%; top: 52%; transform: translate(-50%, -50%); }
.eyebrow { margin: 0 0 8px; font-weight: 800; letter-spacing: .24em; color: #b11227; }
.intro h1 { display: grid; justify-items: center; gap: 4px; margin: 0; color: #a51d2b; font-family: system-ui, sans-serif; font-weight: 800; white-space: nowrap; paint-order: stroke fill; text-shadow: none; transform: translateY(-18px); }
.title-main { font-size: clamp(2.25rem, 11.2vw, 4.5rem); line-height: 1.2; letter-spacing: -.01em; -webkit-text-stroke: 3px #fff; }
.title-sub { font-size: clamp(1.25rem, 5.8vw, 2rem); line-height: 1.25; letter-spacing: .03em; -webkit-text-stroke: 1.5px #fff; }
.cover-law-title { position: absolute; top: 44%; left: 54%; display: grid; gap: 2px; transform: translate(-50%,-50%) rotate(7deg); color: #fff0c1; font-size: clamp(.55rem, 2.2vw, .75rem); font-weight: 800; line-height: 1.2; letter-spacing: .02em; text-align: center; white-space: nowrap; pointer-events: none; }
.intro-lead { max-width: 390px; margin: 22px auto 0; line-height: 1.8; font-size: 1rem; color: #6f3438; }
.seal { margin-top: 4.5vh; display: grid; place-items: center; width: 128px; height: 128px; border-radius: 50%; color: #fff7e9; background: linear-gradient(145deg,#cf2336,#8f0718); border: 4px solid #f5c777; box-shadow: 0 0 0 7px rgba(255,247,232,.65),0 18px 42px rgba(89,0,11,.28); animation: float 3s ease-in-out infinite; }
.seal span { font-family: serif; font-size: 3.6rem; font-weight: 800; line-height: .9; }
.seal small { font-size: .64rem; letter-spacing: .08em; }

.primary-btn, .next-btn {
  width: min(100%, 430px); min-height: 62px; border: 2px solid rgba(255,242,211,.92); border-radius: 999px; cursor: pointer;
  color: #fff; background: linear-gradient(135deg,#d9293e,#a30b20); box-shadow: 0 12px 30px rgba(95,0,14,.3), inset 0 1px 0 rgba(255,255,255,.35);
  font-size: 1.24rem; font-weight: 800; letter-spacing: .08em; transition: transform .16s, filter .16s;
}
.primary-btn:active, .next-btn:active { transform: scale(.97); filter: brightness(.95); }
.start-btn { position: relative; isolation: isolate; overflow: hidden; width: min(88%, 400px); margin-top: auto; display: flex; align-items: center; justify-content: center; gap: 18px; }
.start-btn span, .start-btn b { position: relative; z-index: 2; }
.start-btn b { font-size: 2rem; line-height: 1; transition: opacity .18s, transform .18s; }
.start-progress { position: absolute; z-index: 1; inset: 0 auto 0 0; width: 0; border-radius: inherit; background: linear-gradient(90deg,#f05b68,#d7293e 65%,#bd172d); box-shadow: inset -3px 0 12px rgba(255,239,195,.5); }
.start-btn.is-loading { cursor: wait; }
.start-btn.is-loading b { opacity: 0; transform: translateX(10px); }
.story { justify-content: flex-start; padding-left: 14px; padding-right: 14px; }
.story-head { width: min(100%, 520px); padding: 0 54px 0 8px; display: flex; align-items: center; justify-content: flex-end; }
.story-track { margin-bottom: 12px; }
.story-frame {
  position: relative; width: min(100%, 500px); flex: 1 1 auto; min-height: 0; margin: 0;
  overflow: hidden; border-radius: 27px; border: 2px solid rgba(255,255,255,.9);
  background: #edf7ff; box-shadow: 0 22px 54px rgba(67,0,10,.28);
}
.level-caption { position: relative; z-index: 3; color: #a80e25; font-size: .95rem; font-weight: 900; letter-spacing: .1em; }
.story-level-caption { width: min(100%,500px); margin: -5px 0 7px; padding-left: 7px; color: #fff8eb; text-shadow: 0 2px 8px rgba(72,0,9,.5); }
.story-frame img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; opacity: 1; transition: opacity .2s ease; }
.story-frame::after { content: "插画加载中…"; position: absolute; inset: 0; display: grid; place-items: center; color: #8b4650; font-size: .9rem; font-weight: 700; opacity: 0; pointer-events: none; transition: opacity .18s ease; }
.story-frame.is-loading img { opacity: 0; }
.story-frame.is-loading::after { opacity: 1; }
.story-btn { flex: 0 0 auto; min-height: 56px; width: min(86%, 390px); margin-top: 13px; display: flex; align-items: center; justify-content: center; gap: 16px; }
.story-btn b { font-size: 1.8rem; line-height: 1; }
.quiz { justify-content: flex-start; }
.quiz-head { width: min(100%, 520px); padding-right: 54px; display: flex; align-items: center; justify-content: flex-end; }
.progress-copy { color: #81101e; font-weight: 800; background: rgba(255,249,238,.88); border-radius: 99px; padding: 8px 13px; box-shadow: 0 8px 20px rgba(83,0,9,.12); }
.progress-copy span { color: #c2152b; font-size: 1.16rem; }
.progress-track { width: min(100%,520px); height: 7px; margin: 15px 0 22px; overflow: hidden; border-radius: 99px; background: rgba(255,255,255,.58); }
.progress-track span { display: block; width: 20%; height: 100%; border-radius: inherit; background: linear-gradient(90deg,#8e071a,#e43e50); transition: width .45s ease; }

.question-card {
  position: relative;
  width: min(100%, 520px); max-height: calc(100svh - 155px); overflow: auto; overscroll-behavior: contain;
  margin-top: auto;
  padding: clamp(23px,6vw,36px); border-radius: 28px; background: rgba(255,250,242,.94); border: 1px solid rgba(255,255,255,.9);
  box-shadow: 0 24px 70px rgba(79,0,11,.28); backdrop-filter: blur(12px);
}
.quiz-level-caption { margin: -8px 0 13px -8px; }
.question-card.enter { animation: cardIn .46s ease both; }
.question-card h2 { margin: 0; font-size: clamp(1.14rem,4.7vw,1.45rem); line-height: 1.72; font-weight: 800; color: #3f2024; }
.answers { display: grid; gap: 13px; margin-top: 24px; }
.answer {
  position: relative; display: flex; align-items: center; width: 100%; min-height: 68px; padding: 14px 18px 14px 64px;
  border: 1.5px solid #ecc4c4; border-radius: 18px; color: #4a2528; background: #fff; text-align: left; line-height: 1.55; cursor: pointer;
  box-shadow: 0 6px 16px rgba(122,12,24,.07); transition: transform .16s, border-color .16s, background .16s;
}
.answer::before { content: attr(data-letter); position: absolute; left: 17px; width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: #f8e5e3; color: #b31328; font-weight: 900; }
.answer:hover, .answer:focus-visible { transform: translateY(-2px); border-color: #c7182e; outline: none; }
.answer.is-selected { background: #fff0ee; border-color: #c7182e; }
.answer:disabled { cursor: default; }
.tap-tip { margin: 14px 0 auto; color: #74141f; font-size: .8rem; background: rgba(255,250,242,.75); padding: 6px 12px; border-radius: 99px; }

.feedback[hidden] { display: none; }
.feedback { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; }
.feedback-shade { position: absolute; inset: 0; background: rgba(29,2,8,.72); backdrop-filter: blur(2px); animation: fadeIn .25s ease both; }
.feedback-wrap { position: relative; width: min(calc(100% - 34px), 520px); display: flex; flex-direction: column; align-items: center; padding-top: 52px; }
.feedback-pop { position: relative; z-index: 2; width: 100%; animation: popIn .52s cubic-bezier(.16,1.2,.3,1) both; }
.face { position: absolute; z-index: 3; left: 50%; top: -94px; width: 1.15em; height: 1.15em; transform: translateX(-50%); display: grid; place-items: center; font-size: clamp(4.2rem,18vw,6.5rem); line-height: 1; filter: drop-shadow(0 12px 16px rgba(45,0,8,.35)); }
.feedback:not(.is-wrong) .face { animation: celebrateFace .82s cubic-bezier(.16,1.35,.3,1) both; }
.happy-face { display: block; transform-origin: 50% 70%; animation: happyFaceBloom .82s cubic-bezier(.16,1.25,.3,1) both; }
.face-star { position: absolute; z-index: -1; color: #ffd34e; font-size: .3em; line-height: 1; text-shadow: 0 2px 0 #f19b21; opacity: 0; animation: faceStarPop .72s cubic-bezier(.16,1.35,.3,1) both; }
.star-one { left: -.02em; top: .02em; --star-x: -.34em; --star-y: -.23em; animation-delay: .12s; }
.star-two { right: -.02em; top: .08em; --star-x: .32em; --star-y: -.2em; animation-delay: .2s; }
.star-three { right: .04em; bottom: .02em; --star-x: .32em; --star-y: .24em; animation-delay: .28s; }
.ribbon { position: relative; z-index: 2; width: fit-content; min-width: 196px; margin: 0 auto -22px; padding: 12px 29px; border-radius: 22px; color: #fff; background: linear-gradient(135deg,#cf2038,#9c0b21); border: 3px solid #ffdd8e; box-shadow: 0 8px 0 #7d091b,0 14px 28px rgba(65,0,10,.3); text-align: center; font-size: clamp(1.75rem,8vw,2.55rem); font-weight: 900; letter-spacing: .1em; transform: rotate(-1.5deg); }
.feedback.is-wrong .ribbon { background: linear-gradient(135deg,#e65745,#b51e31); }
.analysis-card { max-height: min(56svh,600px); overflow: auto; padding: 52px clamp(24px,6vw,38px) 30px; border-radius: 29px; background: linear-gradient(180deg,#fff,#fff7ed); box-shadow: 0 26px 65px rgba(30,0,5,.38); }
.correct-line { margin: 0 0 18px; font-size: 1.12rem; font-weight: 800; }
.correct-line strong { color: #bf142b; font-size: 1.55rem; }
.analysis { margin: 0; color: #4f3436; font-size: 1rem; line-height: 1.82; }
.next-btn { position: relative; z-index: 2; margin-top: 24px; flex: 0 0 auto; }
.confetti-burst { position: absolute; z-index: 1; inset: -82px -32px -120px; overflow: hidden; pointer-events: none; }
.confetti-piece {
  position: absolute; left: 50%; top: 76px; width: 9px; height: 22px; border-radius: 3px;
  background: var(--confetti-color); opacity: 0;
  animation: confettiBurst var(--duration) cubic-bezier(.18,.72,.28,1) var(--delay) forwards;
}
.confetti-piece.is-round { width: 11px; height: 11px; border-radius: 50%; }

.result { justify-content: space-between; }
.result-card { width: min(100%,460px); margin: auto 0; padding: 38px 28px 34px; border-radius: 32px; text-align: center; background: rgba(255,250,241,.94); box-shadow: 0 24px 70px rgba(79,0,11,.3); }
.result-medal { display: grid; place-items: center; animation: float 2.7s ease-in-out infinite; }
.result-medal svg { display: block; width: 154px; height: auto; }
.result-card h2 { margin: 8px 0; color: #941225; font-size: 2rem; }
.score { display: flex; align-items: baseline; justify-content: center; margin: 12px 0; color: #8f5b5f; }
.score strong { color: #c4182d; font-size: 4.6rem; line-height: 1; }
.score span { font-size: 1.3rem; font-weight: 800; }
.result-note { margin: 18px auto 0; max-width: 320px; color: #6e4447; line-height: 1.75; }

@keyframes drift { to { transform: scale(1.07) translateY(-.8%); } }
@keyframes float { 50% { transform: translateY(-8px); } }
@keyframes fadeIn { from { opacity: 0; } }
@keyframes popIn { from { opacity: 0; transform: translateY(45px) scale(.86); } }
@keyframes cardIn { from { opacity: 0; transform: translateX(35px); } }
@keyframes celebrateFace {
  0% { transform: translateX(-50%) scale(.35) rotate(-16deg); opacity: 0; }
  55% { transform: translateX(-50%) scale(1.18) rotate(8deg); opacity: 1; }
  100% { transform: translateX(-50%) scale(1) rotate(0); opacity: 1; }
}
@keyframes happyFaceBloom {
  0% { transform: scale(.45) rotate(-18deg); opacity: 0; }
  55% { transform: scale(1.18) rotate(8deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); opacity: 1; }
}
@keyframes faceStarPop {
  0% { transform: translate(0,0) scale(.15) rotate(-30deg); opacity: 0; }
  55% { transform: translate(var(--star-x),var(--star-y)) scale(1.25) rotate(12deg); opacity: 1; }
  100% { transform: translate(var(--star-x),var(--star-y)) scale(1) rotate(0); opacity: 1; }
}
@keyframes confettiBurst {
  0% { transform: translate(-50%,20px) scale(.2) rotate(0deg); opacity: 0; }
  12% { opacity: 1; }
  38% { transform: translate(calc(-50% + var(--mid-x)),var(--mid-y)) scale(1) rotate(var(--mid-rot)); opacity: 1; }
  100% { transform: translate(calc(-50% + var(--end-x)),var(--end-y)) scale(.82) rotate(var(--end-rot)); opacity: 0; }
}

@media (min-width: 760px) {
  .app { max-width: 560px; min-height: min(100svh, 1000px); margin: 0 auto; box-shadow: 0 0 80px rgba(45,0,7,.38); }
  body { display: grid; place-items: center; background: radial-gradient(circle,#d9b8ae,#7f0b18); }
}

@media (max-width: 759px) {
  .sound, .question-card, .feedback-shade { -webkit-backdrop-filter: none; backdrop-filter: none; }
  .question-card { background: rgba(255,250,242,.98); }
}

@media (max-width: 430px) {
  .intro-copy { transform: translateY(-30px); }
}

@media (max-height: 700px) {
  .intro-copy { margin-top: 4vh; }
  .title-main { font-size: clamp(2.25rem, 10.5vw, 4rem); }
  .title-sub { font-size: clamp(1.18rem, 5.3vw, 1.75rem); }
  .intro-lead { margin-top: 12px; line-height: 1.55; }
  .question-card { padding: 20px; }
  .analysis-card { max-height: 52svh; }
  .story-btn { min-height: 50px; margin-top: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .confetti-burst { display: none; }
}

.intro{padding-bottom:calc(64px + env(safe-area-inset-bottom))}
.data-notice{position:absolute;bottom:max(8px,env(safe-area-inset-bottom));left:16px;right:16px;text-align:center;font-size:11px;line-height:1.5;color:#6a292b;margin:0}
.data-notice a{display:inline-block;margin-top:3px;color:inherit;text-decoration:underline}
.tracking-status{position:fixed;z-index:1000;bottom:max(8px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);max-width:92vw;width:max-content;padding:7px 12px;border-radius:8px;background:#fff8ed;color:#69302b;font-size:12px;box-shadow:0 2px 12px #0002;margin:0;pointer-events:none}.tracking-status[hidden]{display:none}