/* ==========================================================================
   樱花校园模拟器 · sakuracampus.cn
   原创配色与样式：樱花粉 + 奶油白 + 深梅色，柔和圆角与花瓣装饰
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --pink: #f26b8f;
  --pink-deep: #c7355c;
  --pink-soft: #ffe4eb;
  --pink-line: #f7cdd8;
  --plum: #2d1b2e;
  --ink: #3b2736;
  --mute: #7c6471;
  --cream: #fffaf8;
  --blush: #fff3f5;
  --sand: #fdf8f2;
  --mint: #1f7f71;
  --gold: #e9a93b;
  --line: #f2dde3;
  --white: #ffffff;
  --shadow-sm: 0 6px 20px rgba(88, 38, 58, .07);
  --shadow-md: 0 18px 46px rgba(88, 38, 58, .12);
  --shadow-lg: 0 30px 70px rgba(88, 38, 58, .16);
  --r-lg: 26px;
  --r-md: 20px;
  --r-sm: 14px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 94px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea { font: inherit; color: inherit; }
ul { list-style: none; }
::selection { background: var(--pink); color: #fff; }

.shell {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 clamp(18px, 4.2vw, 42px);
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 999;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--plum);
  color: #fff;
  font-size: .82rem;
  font-weight: 700;
  transform: translateY(-150%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: none; }

:focus-visible {
  outline: 3px solid rgba(242, 107, 143, .5);
  outline-offset: 3px;
  border-radius: 6px;
}
#content:focus { outline: none; }

/* ============ 导航 ============ */

.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  background: rgba(255, 250, 248, .86);
  border-bottom: 1px solid rgba(242, 221, 227, .8);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: box-shadow .25s ease, background .25s ease;
}
.site-nav.scrolled {
  background: rgba(255, 250, 248, .97);
  box-shadow: 0 10px 34px rgba(88, 38, 58, .09);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 15px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 4px 12px rgba(199, 53, 92, .12);
  overflow: hidden;
}
.brand-logo img { width: 100%; height: 100%; object-fit: cover; }
.brand-text {
  display: flex;
  flex-direction: column;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: .02em;
  line-height: 1.22;
  color: var(--plum);
}
.brand-text small {
  margin-top: 3px;
  font-size: .5rem;
  font-weight: 800;
  letter-spacing: .22em;
  color: var(--pink-deep);
}

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links > a:not(.nav-dl) {
  position: relative;
  padding: 9px 13px;
  font-size: .84rem;
  font-weight: 700;
  color: var(--mute);
  transition: color .2s ease;
}
.nav-links > a:not(.nav-dl)::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--pink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s ease;
}
.nav-links > a:not(.nav-dl):hover { color: var(--pink-deep); }
.nav-links > a:not(.nav-dl):hover::after { transform: scaleX(1); }

.nav-dl {
  margin-left: 10px;
  padding: 11px 24px;
  border-radius: 999px;
  background: linear-gradient(135deg, #e8507a 0%, #c92c56 100%);
  color: #fff;
  font-size: .85rem;
  font-weight: 900;
  letter-spacing: .04em;
  box-shadow: 0 8px 22px rgba(237, 74, 117, .3);
  transition: transform .2s ease, box-shadow .2s ease;
}
.nav-dl:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(237, 74, 117, .4); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fff;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 0 auto;
  border-radius: 2px;
  background: var(--plum);
  transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ Hero ============ */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: clamp(120px, 15vh, 154px) 0 clamp(72px, 9vh, 100px);
  overflow: hidden;
  background:
    radial-gradient(900px 520px at 90% 4%, #ffe1e8 0%, rgba(255, 225, 232, 0) 62%),
    radial-gradient(720px 520px at 2% 94%, #ffedf1 0%, rgba(255, 237, 241, 0) 58%),
    linear-gradient(180deg, #fffaf8 0%, #fff6f7 58%, #fff3f5 100%);
}
.hero-deco { position: absolute; inset: 0; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(70px); }
.orb-1 { width: 420px; height: 420px; right: 4%; top: -6%; background: rgba(255, 176, 196, .42); }
.orb-2 { width: 340px; height: 340px; left: -6%; bottom: 0; background: rgba(255, 214, 222, .55); }
.orb-3 { width: 240px; height: 240px; left: 42%; top: 34%; background: rgba(255, 232, 214, .45); }

.hero-word {
  position: absolute;
  right: -2%;
  bottom: -5%;
  font-size: clamp(7rem, 19vw, 16rem);
  font-weight: 900;
  line-height: .8;
  letter-spacing: .02em;
  color: rgba(199, 53, 92, .055);
  white-space: nowrap;
  -webkit-user-select: none;
  user-select: none;
}

.petal {
  position: absolute;
  width: 15px;
  height: 11px;
  background: linear-gradient(135deg, #ffc2d2, #f78aa7);
  border-radius: 100% 0 100% 0;
  opacity: .55;
  animation: petal-fall 15s linear infinite;
}
.p1 { left: 8%; top: -4%; animation-delay: -2s; }
.p2 { left: 28%; top: -8%; animation-delay: -7s; transform: scale(.7); }
.p3 { left: 58%; top: -5%; animation-delay: -11s; transform: scale(.85); }
.p4 { left: 76%; top: -7%; animation-delay: -4s; transform: scale(.6); }
.p5 { left: 92%; top: -3%; animation-delay: -9s; }
@keyframes petal-fall {
  0% { transform: translate3d(0, -20px, 0) rotate(0deg); opacity: 0; }
  12% { opacity: .55; }
  100% { transform: translate3d(-70px, 104vh, 0) rotate(320deg); opacity: 0; }
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: clamp(28px, 4.5vw, 56px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 16px;
  border: 1px solid var(--pink-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .78);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--pink-deep);
}
.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pink);
  box-shadow: 0 0 0 4px rgba(242, 107, 143, .14);
}

.hero h1 {
  margin: 20px 0 0;
  font-size: clamp(2.9rem, 5.7vw, 5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--plum);
  word-break: keep-all;
  white-space: nowrap;
}
.hero h1 .hl {
  background: linear-gradient(120deg, #f2557d 0%, #cf2f59 70%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.h1-sub {
  margin-top: 14px;
  font-size: clamp(.78rem, 1.1vw, .95rem);
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--mute);
  line-height: 1.7;
}
.hero-lead {
  max-width: 552px;
  margin-top: 20px;
  font-size: clamp(.96rem, 1.2vw, 1.04rem);
  line-height: 1.92;
  color: var(--mute);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 16px 32px;
  border-radius: 999px;
  background: linear-gradient(135deg, #e8507a 0%, #c92c56 100%);
  color: #fff;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: .03em;
  box-shadow: 0 14px 30px rgba(237, 74, 117, .32);
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 38px rgba(237, 74, 117, .42); }
.btn-primary svg { width: 20px; height: 20px; flex-shrink: 0; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 15px 25px;
  border: 1px solid var(--pink-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  color: var(--plum);
  font-size: .9rem;
  font-weight: 800;
  transition: background .2s ease, border-color .2s ease, transform .2s ease;
}
.btn-ghost:hover { background: #fff; border-color: var(--pink); transform: translateY(-2px); }

.cta-note {
  flex-basis: 100%;
  font-size: .72rem;
  color: #8b7280;
  letter-spacing: .02em;
}

.hero-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.hero-chips li {
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .72);
  font-size: .77rem;
  font-weight: 700;
  color: var(--mute);
}

/* Hero 截图扇形 */

.hero-shots { position: relative; width: 100%; max-width: 566px; margin-left: auto; }
.shots-stage {
  position: relative;
  height: clamp(390px, 42vw, 490px);
  perspective: 1200px;
}
.shots-stage::after {
  content: "";
  position: absolute;
  left: 2%;
  bottom: 6%;
  width: 92px;
  height: 92px;
  background: radial-gradient(circle, rgba(199, 53, 92, .28) 2px, transparent 2px);
  background-size: 13px 13px;
  transform: rotate(10deg);
  opacity: .55;
  z-index: 0;
}
.shots-blob {
  position: absolute;
  inset: 7% -5% 5% 12%;
  z-index: 0;
  border-radius: 48% 52% 60% 40% / 55% 42% 58% 45%;
  background: linear-gradient(135deg, #ffd6e0 0%, #fff0f3 62%, #ffe7d6 100%);
  transform: rotate(-7deg);
  filter: blur(1px);
}
.shot {
  position: absolute;
  z-index: 1;
  border-radius: 20px;
  transition: transform .38s cubic-bezier(.2, .7, .3, 1);
  transform: translate3d(0, 0, 0);
}
.shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 5px solid #fff;
  border-radius: 20px;
  box-shadow: 0 18px 42px rgba(88, 38, 58, .22);
}
.shot-main {
  width: 67%;
  aspect-ratio: 16 / 10;
  left: 15%;
  top: 19%;
  z-index: 4;
  transform: rotate(-4deg);
  animation: sway-main 7s ease-in-out infinite;
}
.shot-b {
  width: 36%;
  aspect-ratio: 4 / 3;
  left: -2%;
  top: 3%;
  z-index: 2;
  transform: rotate(-12deg);
  animation: sway-b 6s ease-in-out infinite .4s;
}
.shot-a {
  width: 33%;
  aspect-ratio: 4 / 3;
  left: 1%;
  bottom: 5%;
  z-index: 3;
  transform: rotate(8deg);
  animation: sway-a 5.5s ease-in-out infinite .2s;
}
.shot-a .shot-label { top: auto; bottom: 9px; left: 9px; }
.shot-c {
  width: 39%;
  aspect-ratio: 16 / 10;
  right: -5%;
  bottom: 2%;
  z-index: 5;
  transform: rotate(7deg);
  animation: sway-c 6.2s ease-in-out infinite .6s;
}
.shots-stage:hover .shot { animation: none; }
.shots-stage:hover .shot-main { transform: rotate(-2deg) translateY(-6px); }
.shots-stage:hover .shot-b { transform: rotate(-14deg) translate(-5px, -3px); }
.shots-stage:hover .shot-a { transform: rotate(10deg) translateY(-4px); }
.shots-stage:hover .shot-c { transform: rotate(9deg) translate(6px, -4px); }

@keyframes sway-main {
  0%, 100% { transform: rotate(-4deg) translateY(0); }
  50% { transform: rotate(-4deg) translateY(-8px); }
}
@keyframes sway-b {
  0%, 100% { transform: rotate(-12deg) translateY(0); }
  50% { transform: rotate(-12deg) translateY(-6px); }
}
@keyframes sway-a {
  0%, 100% { transform: rotate(8deg) translateY(0); }
  50% { transform: rotate(8deg) translateY(-6px); }
}
@keyframes sway-c {
  0%, 100% { transform: rotate(7deg) translateY(0); }
  50% { transform: rotate(7deg) translateY(-7px); }
}

.shot-label {
  position: absolute;
  top: -9px;
  left: 14px;
  z-index: 6;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: .62rem;
  font-weight: 900;
  letter-spacing: .05em;
  color: #fff;
  white-space: nowrap;
  box-shadow: 0 5px 14px rgba(88, 38, 58, .22);
}
.label-pink { background: linear-gradient(135deg, #e8507a, #c92c56); }
.label-mint { background: var(--mint); }
.label-gold { background: var(--gold); color: #4a2c14; }
.label-plum { background: var(--plum); }

.hero-stamp {
  position: absolute;
  right: 14px;
  top: 14px;
  z-index: 6;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .94);
  border: 2px dashed var(--pink);
  color: var(--pink-deep);
  transform: rotate(8deg);
  box-shadow: 0 8px 20px rgba(88, 38, 58, .16);
}
.hero-stamp b { font-size: 1.25rem; line-height: 1; letter-spacing: -.04em; }
.hero-stamp i {
  margin-top: 4px;
  font-size: .36rem;
  font-style: normal;
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: .13em;
  text-align: center;
}

/* ============ 波浪分隔 ============ */

.wave { position: relative; z-index: 3; line-height: 0; margin: -1px 0; }
.wave svg { display: block; width: 100%; height: 70px; }

/* ============ 通用 section ============ */

.section { position: relative; padding: clamp(66px, 8.4vh, 104px) 0; }

.section-eyebrow {
  font-size: .7rem;
  font-weight: 900;
  letter-spacing: .18em;
  color: var(--pink-deep);
}
.section h2 {
  margin-top: 8px;
  font-size: clamp(1.75rem, 3.2vw, 2.5rem);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -.02em;
  color: var(--plum);
  text-wrap: balance;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 38px;
}
.section-desc {
  max-width: 360px;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--mute);
  text-align: right;
}
.center-head { max-width: 700px; margin: 0 auto 40px; text-align: center; }
.center-head h2 { margin-bottom: 12px; }
.center-head p:last-child { font-size: .88rem; color: var(--mute); }

/* ============ Explore ============ */

.explore { background: var(--cream); padding-top: clamp(52px, 6.5vh, 78px); }
.explore-grid {
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  align-items: stretch;
}
.explore-frame {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  transform: translateY(6px);
}
.explore-frame img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.frame-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 6px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #e8507a, #c92c56);
  color: #fff;
  font-size: .62rem;
  font-weight: 900;
  letter-spacing: .12em;
  box-shadow: 0 6px 16px rgba(88, 38, 58, .18);
}
.frame-bar {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 13px 20px;
  border-top: 3px solid var(--pink-soft);
  background: #fff;
  font-size: .76rem;
  font-weight: 700;
  color: var(--mute);
}
.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(31, 127, 113, .14);
}
.explore-panel {
  position: relative;
  z-index: 2;
  align-self: center;
  margin-left: -46px;
  margin-top: 22px;
  padding: clamp(30px, 4vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #fff;
  box-shadow: var(--shadow-md);
}
.explore-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 40px;
  right: 40px;
  height: 4px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, var(--pink), #ffc2d2 55%, var(--gold));
}
.explore-panel p:not(.section-eyebrow) {
  margin-top: 14px;
  font-size: .9rem;
  line-height: 1.9;
  color: var(--mute);
}
.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px dashed var(--pink-line);
}
.stat-row b {
  display: block;
  font-size: clamp(1.55rem, 2.6vw, 2rem);
  font-weight: 900;
  line-height: 1.2;
  color: var(--pink-deep);
}
.stat-row b em { font-style: normal; font-size: .72em; }
.stat-row span { display: block; margin-top: 3px; font-size: .7rem; color: var(--mute); }

/* ============ Gameplay ============ */

.gameplay { background: var(--blush); }
.play-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.play-card {
  overflow: hidden;
  border: 1px solid rgba(242, 221, 227, .9);
  border-radius: var(--r-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform .28s ease, box-shadow .28s ease;
}
.play-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.play-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .5s ease; }
.play-card:hover img { transform: scale(1.035); }
.play-body { padding: 19px 21px 24px; }
.play-body .num {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--pink-soft);
  color: var(--pink-deep);
  font-size: .64rem;
  font-weight: 900;
  letter-spacing: .08em;
}
.play-card:nth-child(3n + 2) .num { background: #e3f6f2; color: #1f7f71; }
.play-card:nth-child(3n) .num { background: #fdf0d9; color: #9a6714; }
.play-body h3 { margin: 10px 0 7px; font-size: 1.04rem; font-weight: 900; color: var(--plum); }
.play-body p { font-size: .83rem; line-height: 1.75; color: var(--mute); }

/* ============ Highlights ============ */

.highlights { background: var(--cream); }
.hl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.hl-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform .28s ease, box-shadow .28s ease;
}
.hl-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.hl-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
.hl-body { padding: 20px 22px 24px; }
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: .64rem;
  font-weight: 900;
  letter-spacing: .06em;
}
.tag-pink { background: var(--pink-soft); color: var(--pink-deep); }
.tag-mint { background: #e3f6f2; color: #1f7f71; }
.tag-gold { background: #fdf0d9; color: #8a5a10; }
.hl-body h3 { margin: 10px 0 7px; font-size: 1.05rem; font-weight: 900; color: var(--plum); }
.hl-body p { font-size: .84rem; line-height: 1.78; color: var(--mute); }

/* ============ Type break ============ */

.type-break {
  position: relative;
  overflow: hidden;
  padding: clamp(64px, 9vh, 96px) 0;
  text-align: center;
  background: linear-gradient(120deg, #ffe9ef 0%, #ffd7e1 52%, #ffe9ef 100%);
}
.type-break::before {
  content: "";
  position: absolute;
  inset: auto -10% -40% 55%;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .35);
  filter: blur(50px);
}
.type-word {
  position: absolute;
  left: 50%;
  bottom: -9%;
  transform: translateX(-50%);
  font-size: clamp(3.6rem, 13vw, 9.5rem);
  font-weight: 900;
  letter-spacing: .06em;
  line-height: .9;
  color: rgba(255, 255, 255, .32);
  white-space: nowrap;
  pointer-events: none;
  -webkit-user-select: none;
  user-select: none;
}
.type-break > div { position: relative; z-index: 1; }
.type-break h2 {
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 900;
  letter-spacing: .04em;
  color: var(--plum);
}
.type-break p { margin-top: 10px; font-size: .9rem; color: #7b5663; }

/* ============ Voices ============ */

.voices { background: var(--blush); }
.voice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.voice-card {
  position: relative;
  overflow: hidden;
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.voice-card::before {
  content: "\201C";
  position: absolute;
  top: 6px;
  right: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4rem;
  line-height: 1;
  color: var(--pink-soft);
  pointer-events: none;
}
.voice-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.voice-card time {
  display: block;
  font-size: .68rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: .03em;
  color: #8b7280;
}
.voice-card > p {
  position: relative;
  z-index: 1;
  margin: 10px 0 16px;
  font-size: .87rem;
  line-height: 1.82;
  color: #5f4a56;
}
.who { display: flex; align-items: center; gap: 11px; }
.av {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 50%;
  color: #fff;
  font-size: .76rem;
  font-weight: 900;
  box-shadow: 0 4px 10px rgba(88, 38, 58, .16);
}
.av-pink { background: linear-gradient(135deg, #e8507a, #c92c56); }
.av-mint { background: linear-gradient(135deg, #5fd3c1, #229183); }
.av-gold { background: linear-gradient(135deg, #ffd27d, #d9902a); }
.av-plum { background: linear-gradient(135deg, #8d5b86, #4b2a4d); }
.who b { display: block; font-size: .82rem; color: var(--plum); }
.who small { display: block; margin-top: 1px; font-size: .69rem; color: #8b7280; }

/* ============ Board ============ */

.board { background: var(--sand); }
.board-grid {
  display: grid;
  grid-template-columns: .86fr 1.14fr;
  gap: 30px;
  align-items: start;
}
.board-form-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--shadow-md);
}
.board-form-card h3 { font-size: 1.18rem; font-weight: 900; color: var(--plum); }
.board-form-tip { margin-top: 6px; font-size: .76rem; line-height: 1.7; color: #8b7280; }
.board-form { margin-top: 16px; }
.board-form label {
  display: block;
  margin: 13px 0 6px;
  font-size: .74rem;
  font-weight: 800;
  color: var(--ink);
}
.board-form input,
.board-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: #fffaf8;
  font-size: .86rem;
  line-height: 1.65;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.board-form textarea { resize: vertical; min-height: 110px; }
.board-form input:focus,
.board-form textarea:focus {
  outline: none;
  border-color: var(--pink);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(242, 107, 143, .13);
}
.board-form input::placeholder,
.board-form textarea::placeholder { color: #bda9b2; }
.form-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; }
.form-count { font-size: .7rem; color: #8b7280; font-variant-numeric: tabular-nums; }
.form-count b { color: var(--pink-deep); }
.board-form button {
  padding: 11px 24px;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #e8507a, #c92c56);
  color: #fff;
  font-size: .85rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(237, 74, 117, .26);
  transition: transform .2s ease, box-shadow .2s ease;
}
.board-form button:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(237, 74, 117, .36); }
.form-status { min-height: 1.2em; margin-top: 8px; font-size: .73rem; color: var(--mint); }

.board-list { display: grid; gap: 14px; }
.message {
  padding: 19px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--pink);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 4px 14px rgba(88, 38, 58, .05);
}
.message:nth-child(even) { border-left-color: var(--mint); }
.message.msg-new { animation: msg-in .45s ease both; }
@keyframes msg-in {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: none; }
}
.msg-top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.msg-top b { font-size: .85rem; color: var(--plum); }
.msg-top time { font-size: .67rem; color: #8b7280; font-variant-numeric: tabular-nums; }
.message p { margin-top: 6px; font-size: .84rem; line-height: 1.78; color: var(--mute); overflow-wrap: anywhere; }
.msg-from {
  display: inline-block;
  margin-top: 9px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--pink-soft);
  font-size: .66rem;
  font-weight: 700;
  color: var(--pink-deep);
}

/* ============ Guide ============ */

.guide { background: var(--blush); }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 22px; }
.guide-card {
  position: relative;
  padding: 26px 24px 28px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--pink);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.guide-card:nth-child(2) { border-top-color: var(--mint); }
.guide-card:nth-child(3) { border-top-color: var(--gold); }
.guide-num {
  display: block;
  margin-bottom: 8px;
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .16em;
  color: var(--pink-deep);
}
.guide-card:nth-child(2) .guide-num { color: #1f7f71; }
.guide-card:nth-child(3) .guide-num { color: #9a6714; }
.guide-card h3 { font-size: 1.04rem; font-weight: 900; color: var(--plum); }
.guide-card p { margin-top: 8px; font-size: .83rem; line-height: 1.78; color: var(--mute); }

.guide-feature {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  overflow: hidden;
  padding: 32px 36px;
  border-radius: 24px;
  background: linear-gradient(120deg, #2d1b2e 0%, #472239 55%, #5d2a45 100%);
  box-shadow: var(--shadow-md);
}
.guide-feature::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 18% 30%, rgba(255, 255, 255, .09) 0 2px, transparent 2px);
  background-size: 26px 26px;
  opacity: .55;
  pointer-events: none;
}
.guide-feature::after {
  content: "";
  position: absolute;
  right: -60px;
  top: -90px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(242, 107, 143, .22);
  filter: blur(40px);
  pointer-events: none;
}
.guide-feature-copy { position: relative; z-index: 1; }
.feature-tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--pink);
  color: #fff;
  font-size: .65rem;
  font-weight: 900;
  letter-spacing: .08em;
}
.guide-feature h3 { margin: 10px 0 8px; font-size: 1.22rem; font-weight: 900; color: #fff; }
.guide-feature p { max-width: 750px; font-size: .84rem; line-height: 1.8; color: #e2cbd5; }
.btn-feature {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  white-space: nowrap;
  padding: 14px 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, #e8507a, #c92c56);
  color: #fff;
  font-size: .86rem;
  font-weight: 900;
  box-shadow: 0 10px 26px rgba(237, 74, 117, .3);
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn-feature:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(237, 74, 117, .42); }

/* ============ FAQ ============ */

.faq { background: var(--blush); padding-top: 0; }
.faq-list { display: grid; gap: 12px; max-width: 860px; margin: 0 auto; }
.faq-item {
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 4px 14px rgba(88, 38, 58, .045);
  transition: border-color .2s ease;
}
.faq-item[open] { border-color: var(--pink-line); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 0;
  font-size: .9rem;
  font-weight: 800;
  color: var(--plum);
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
  color: var(--pink-deep);
  transition: transform .2s ease;
}
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 0 18px; font-size: .84rem; line-height: 1.82; color: var(--mute); }

/* ============ Download ============ */

.download { background: var(--cream); }
.download-grid {
  display: grid;
  grid-template-columns: 1.04fr .96fr;
  gap: clamp(36px, 5vw, 66px);
  align-items: center;
}
.download-icon { width: 64px; height: 64px; border-radius: 18px; box-shadow: var(--shadow-sm); margin-bottom: 18px; }
.download-copy h2 { margin: 8px 0 14px; }
.download-desc { font-size: .9rem; line-height: 1.9; color: var(--mute); }
.download-list { display: grid; gap: 9px; margin-top: 22px; }
.download-list li {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: .82rem;
  color: var(--mute);
}
.download-list li::before {
  content: "✓";
  flex-shrink: 0;
  color: var(--pink-deep);
  font-weight: 900;
}

.download-card {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 3.4vw, 38px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #fff;
  box-shadow: var(--shadow-lg);
}
.download-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--pink), #ffc2d2 50%, var(--gold));
}
.download-card-head { display: flex; align-items: center; gap: 14px; }
.download-card-head img { border-radius: 15px; box-shadow: 0 6px 16px rgba(88, 38, 58, .14); }
.download-card-head b { display: block; font-size: 1.14rem; font-weight: 900; color: var(--plum); }
.download-card-head small { display: block; margin-top: 2px; font-size: .71rem; color: var(--mute); }

.download-btns { display: grid; gap: 10px; margin: 24px 0 16px; }
.dl-btn {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 14px 18px;
  border: 1px solid transparent;
  border-radius: 16px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.dl-btn svg { width: 22px; height: 22px; flex-shrink: 0; }
.dl-btn span { display: flex; flex-direction: column; line-height: 1.35; }
.dl-btn b { font-size: .9rem; }
.dl-btn small { font-size: .67rem; font-weight: 600; opacity: .72; }
.dl-btn:hover { transform: translateY(-2px); }
.dl-android {
  background: linear-gradient(135deg, #e8507a, #c92c56);
  color: #fff;
  box-shadow: 0 10px 24px rgba(237, 74, 117, .28);
}
.dl-android:hover { box-shadow: 0 14px 30px rgba(237, 74, 117, .4); }
.dl-ios {
  background: #fff;
  border-color: var(--line);
  color: var(--plum);
}
.dl-ios:hover { border-color: var(--pink); background: #fff8fa; box-shadow: var(--shadow-sm); }
.dl-pc {
  background: #fbf1f4;
  color: var(--plum);
}
.dl-pc:hover { background: #fff; border-color: var(--pink-line); box-shadow: var(--shadow-sm); }

.download-note { text-align: center; font-size: .71rem; color: #8b7280; }
.download-note a { color: var(--pink-deep); font-weight: 700; }
.download-disclaimer { margin-top: 4px; text-align: center; font-size: .67rem; color: #bfa8b3; }

/* ============ Footer ============ */

.site-footer {
  padding: 46px 0 40px;
  background: var(--plum);
  color: #d9c3ce;
  text-align: center;
  font-size: .72rem;
  line-height: 1.95;
  border-top: 4px solid var(--pink);
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  color: #fff;
  text-align: left;
}
.footer-brand img { border-radius: 10px; }
.footer-brand span { font-size: .9rem; font-weight: 900; }
.footer-brand em {
  display: block;
  font-style: normal;
  font-size: .6rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: #ffb3c6;
}
.site-footer p { max-width: 820px; margin: 0 auto 8px; }
.site-footer a { color: #ffb3c6; }
.site-footer a:hover { text-decoration: underline; }
.copyright { margin-top: 12px; color: #a98e9b; font-size: .68rem; }

/* ============ 入场动画 ============ */

[data-r] { opacity: 1; transform: none; }
.js [data-r] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .3, 1);
}
.js [data-r].on { opacity: 1; transform: none; }

/* ============ 无 JS 降级 ============ */

.no-js .nav-toggle { display: none !important; }
.no-js .board-form { display: none; }
@media (max-width: 960px) {
  .no-js .nav-links {
    position: static;
    flex-direction: row;
    gap: 0;
    padding: 0;
    border: 0;
    background: none;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .no-js .nav-links > a:not(.nav-dl) { display: none; }
  .no-js .nav-dl { margin: 0; padding: 11px 18px; }
}

/* ============ 响应式 ============ */

@media (max-width: 1040px) {
  .hero h1 { font-size: clamp(2.9rem, 6.4vw, 4.7rem); }
  .nav-links > a:not(.nav-dl) { padding: 9px 10px; }
  .nav-links > a:not(.nav-dl)::after { left: 10px; right: 10px; }
  .play-grid { gap: 16px; }
  .hl-grid { gap: 16px; }
}

@media (max-width: 960px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: calc(100% + 10px);
    left: 16px;
    right: 16px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .22s ease, transform .22s ease, visibility .22s;
  }
  .nav-links.open { opacity: 1; visibility: visible; transform: none; }
  .nav-links > a:not(.nav-dl) {
    padding: 12px 14px;
    border-radius: 12px;
    font-size: .9rem;
  }
  .nav-links > a:not(.nav-dl)::after { display: none; }
  .nav-links > a:not(.nav-dl):hover { background: var(--blush); }
  .nav-dl { margin: 8px 0 0; padding: 13px 20px; text-align: center; }

  .hero { min-height: 0; padding-top: 120px; }
  .hero-grid { grid-template-columns: 1fr; gap: 42px; }
  .hero-copy { max-width: 640px; }
  .hero-shots { max-width: 640px; margin: 0 auto; }
  .shots-stage { height: 430px; }

  .section-head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .section-desc { max-width: 560px; text-align: left; }

  .explore-grid { grid-template-columns: 1fr; }
  .explore-panel { margin: -18px 14px 0; }
  .explore-frame { transform: none; }

  .play-grid { grid-template-columns: repeat(2, 1fr); }
  .hl-grid { grid-template-columns: repeat(2, 1fr); }
  .hl-card:last-child { grid-column: 1 / -1; }
  .hl-card:last-child img { aspect-ratio: 16 / 8; }

  .voice-grid { grid-template-columns: 1fr; }
  .board-grid { grid-template-columns: 1fr; }
  .guide-feature { flex-direction: column; align-items: flex-start; gap: 20px; }
  .btn-feature { width: 100%; text-align: center; }
  .download-grid { grid-template-columns: 1fr; }
  .download-card { max-width: 560px; }
}

@media (max-width: 680px) {
  html { scroll-padding-top: 84px; }
  .nav { min-height: 68px; }
  .brand-logo { width: 40px; height: 40px; border-radius: 12px; }
  .brand-text { font-size: .9rem; }
  .brand-text small { font-size: .44rem; letter-spacing: .18em; }
  .nav-toggle { width: 40px; height: 40px; }

  .hero { padding-top: 104px; padding-bottom: 60px; }
  .hero h1 { font-size: clamp(2.65rem, 13.4vw, 3.7rem); }
  .h1-sub { font-size: .72rem; letter-spacing: .06em; }
  .hero-lead { font-size: .92rem; line-height: 1.85; }
  .hero-cta { gap: 10px; }
  .btn-primary { width: 100%; padding: 15px 22px; }
  .btn-ghost { width: 100%; justify-content: center; padding: 13px 20px; }
  .cta-note { text-align: center; }
  .hero-chips { gap: 7px; }
  .hero-chips li { font-size: .72rem; padding: 6px 12px; }

  .shots-stage { height: 300px; }
  .shot-main { width: 76%; left: 11%; top: 15%; }
  .shot-b { width: 38%; left: -3%; top: 0; }
  .shot-a { width: 35%; left: 0; bottom: 3%; }
  .shot-c { width: 43%; right: -7%; bottom: 0; }
  .shot img { border-width: 4px; border-radius: 16px; }
  .shot { border-radius: 16px; }
  .shot-label { top: -8px; left: 10px; font-size: .56rem; padding: 4px 9px; }
  .shot-b .shot-label,
  .shot-a .shot-label { display: none; }
  .hero-stamp { width: 56px; height: 56px; right: 9px; top: 9px; border-width: 1.5px; }
  .hero-stamp b { font-size: 1rem; }
  .hero-stamp i { font-size: .3rem; }

  .wave svg { height: 38px; }
  .section { padding: 56px 0; }
  .section h2 { font-size: 1.6rem; }
  .section-head { margin-bottom: 28px; }

  .explore-panel { margin: -14px 10px 0; padding: 26px 22px; }
  .explore-panel::before { left: 24px; right: 24px; }
  .stat-row { gap: 12px; }
  .stat-row b { font-size: 1.45rem; }
  .stat-row span { font-size: .64rem; }

  .play-grid { grid-template-columns: 1fr; gap: 14px; }
  .hl-grid { grid-template-columns: 1fr; }
  .hl-card:last-child { grid-column: auto; }
  .hl-card:last-child img { aspect-ratio: 16 / 10; }

  .type-break { padding: 56px 0; }
  .type-word { font-size: 4.2rem; }
  .type-break h2 { font-size: 1.45rem; }
  .type-break p { font-size: .82rem; }

  .voice-card { padding: 20px; }
  .voice-card::before { font-size: 3.2rem; right: 12px; }
  .board-form-card { padding: 22px 20px; }
  .message { padding: 16px 18px; }
  .msg-top { flex-direction: column; gap: 2px; align-items: flex-start; }

  .guide-grid { grid-template-columns: 1fr; gap: 12px; }
  .guide-feature { padding: 26px 22px; }
  .guide-feature h3 { font-size: 1.08rem; }

  .faq { padding-top: 0; }
  .faq-item { padding: 0 18px; }
  .faq-item summary { font-size: .85rem; }

  .download-grid { gap: 32px; }
  .download-card { padding: 24px 20px; border-radius: 22px; }
  .download-copy h2 { font-size: 1.55rem; }
  .download-list li { font-size: .79rem; }

  .site-footer { padding: 36px 0 32px; }
}

@media (max-width: 420px) {
  .shots-stage { height: 270px; }
  .hero-stamp { width: 50px; height: 50px; }
  .hero-stamp i { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
  .js [data-r] { opacity: 1; transform: none; }
}