/* heylin.app：深夜电台的紫黑底、酒红、粉、一点金（颜色和 App 的 Theme.swift 一样）。不引外部字体，标题用系统自带的衬线字。 */
:root {
  --night: #140f16;
  --night-2: #1d1424;
  --card: #1e161d;
  --card-2: #271c26;
  --bubble: #2b1f29;
  --wine: #8e2340;
  --wine-deep: #5c1429;
  --pink: #f3a7ba;
  --pink-soft: #ffd3de;
  --paper: #f6ecef;
  --muted: #c9b6be;
  --faint: #a8959d;
  --gold: #e4c793;
  --red: #d9334a;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.14);
  --serif: ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans", "Apple SD Gothic Neo", "Noto Sans CJK SC", sans-serif;
  --radius: 22px;
  color-scheme: dark;
}
html.zh { --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", "SimSun", serif; --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif; }
html.ja { --serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", "Noto Serif CJK JP", serif; --sans: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", "Noto Sans CJK JP", sans-serif; }
html.ko { --serif: "AppleMyungjo", "Nanum Myeongjo", "Noto Serif KR", "Noto Serif CJK KR", "Batang", serif; --sans: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans CJK KR", sans-serif; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0; background: var(--night); color: var(--paper);
  font-family: var(--sans); font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
html.zh body, html.ja body, html.ko body { line-height: 1.75; }
/* 标题换行：韩文按词（有空格）；日文按词组（支持 auto-phrase 的浏览器）；中文按字，标点不出现在行首 */
html.zh h1, html.zh h2, html.zh h3, html.ja h1, html.ja h2, html.ja h3 { line-break: strict; }
html.ja h1, html.ja h2, html.ja h3 { word-break: auto-phrase; }
html.ko h1, html.ko h2, html.ko h3 { word-break: keep-all; overflow-wrap: anywhere; }
img { max-width: 100%; display: block; }
a { color: var(--pink); text-underline-offset: 3px; text-decoration-thickness: 1px; }
a:hover { color: var(--pink-soft); }
:focus-visible { outline: 2px solid var(--pink); outline-offset: 3px; border-radius: 6px; }
em { font-style: normal; color: var(--pink); }
b, strong { color: var(--paper); font-weight: 650; }
.wrap { max-width: 1140px; margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 100; background: var(--card); padding: 8px 14px; border-radius: 10px; }

/* ── 导航 ── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(20, 15, 22, 0.55);
  -webkit-backdrop-filter: saturate(1.4) blur(18px); backdrop-filter: saturate(1.4) blur(18px);
  border-bottom: 1px solid transparent; transition: border-color 0.3s, background 0.3s;
}
.nav.scrolled { background: rgba(20, 15, 22, 0.86); border-bottom-color: var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--paper); text-decoration: none; font-family: var(--serif); font-size: 20px; font-weight: 600; letter-spacing: 0.01em; white-space: nowrap; }
.brand:hover { color: var(--paper); }
.brand img { width: 30px; height: 30px; border-radius: 8px; box-shadow: 0 0 0 1px var(--line-2); }
.nav-links { display: flex; gap: 22px; margin-left: auto; font-size: 15px; }
.nav-links a { color: var(--muted); text-decoration: none; white-space: nowrap; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--paper); }

.lang-menu { position: relative; font-size: 14px; color: var(--muted); }
.lang-menu summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 6px; height: 36px; padding: 0 12px; border-radius: 999px; white-space: nowrap; box-shadow: inset 0 0 0 1px var(--line-2); }
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-menu summary:hover, .lang-menu[open] summary { color: var(--paper); background: rgba(255, 255, 255, 0.05); }
.lang-menu summary svg { width: 16px; height: 16px; flex: none; }
.lang-menu ul {
  position: absolute; right: 0; top: calc(100% + 10px); z-index: 60;
  margin: 0; padding: 6px; list-style: none; min-width: 180px;
  background: var(--card-2); border-radius: 16px;
  box-shadow: 0 24px 60px -12px rgba(0, 0, 0, 0.6), 0 0 0 1px var(--line-2);
}
.lang-menu li a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 12px; border-radius: 10px; text-decoration: none; color: var(--paper); font-size: 15px; }
.lang-menu li a:hover { background: rgba(255, 255, 255, 0.06); color: var(--paper); }
.lang-menu li a[aria-current]::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--pink); }
@media (max-width: 860px) { .nav-links { display: none; } .lang-menu { margin-left: auto; } }

/* ── 按钮和商店徽章 ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 0 26px; border-radius: 999px;
  background: var(--wine); color: #fff3f6; text-decoration: none;
  font-weight: 600; font-size: 16px; white-space: nowrap; transition: transform 0.15s, background 0.2s;
}
.btn:hover { color: #fff; background: #a12a4b; transform: translateY(-1px); }
.btn.ghost { background: rgba(255, 255, 255, 0.06); box-shadow: inset 0 0 0 1px var(--line-2); color: var(--paper); }
.btn.ghost:hover { background: rgba(255, 255, 255, 0.1); }
.btn.small { min-height: 40px; padding: 0 18px; font-size: 15px; }
.store {
  display: inline-flex; align-items: center; gap: 10px;
  min-height: 52px; padding: 0 22px 0 18px; border-radius: 999px;
  background: var(--paper); color: var(--night); text-decoration: none;
  font-weight: 650; font-size: 16px; white-space: nowrap;
}
.store:hover { color: var(--night); background: #fff; }
.store svg { width: 20px; height: 20px; flex: none; }
.store.soon { background: rgba(243, 167, 186, 0.12); color: var(--pink-soft); box-shadow: inset 0 0 0 1px rgba(243, 167, 186, 0.35); cursor: default; }
.store.soon svg { color: var(--pink); }

/* ── 首屏 ── */
.hero { position: relative; overflow: hidden; overflow: clip; isolation: isolate; }
.hero-bg { position: absolute; inset: -40px; z-index: -1; background: url(/img/studio-small.webp) center 30% / cover no-repeat; filter: blur(26px) brightness(0.32) saturate(1.3); transform: scale(1.1); }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 55% at 78% 35%, rgba(142, 35, 64, 0.35), transparent 70%),
    radial-gradient(45% 40% at 8% 85%, rgba(243, 167, 186, 0.08), transparent 70%),
    linear-gradient(to bottom, rgba(20, 15, 22, 0) 60%, var(--night));
}
.hero .wrap { display: grid; grid-template-columns: 1.08fr 0.92fr; align-items: center; gap: 48px; padding-top: 56px; padding-bottom: 88px; min-height: min(860px, calc(100vh - 64px)); }
.onair { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 22px; padding: 6px 14px 6px 12px; border-radius: 999px; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--pink-soft); background: rgba(142, 35, 64, 0.28); box-shadow: inset 0 0 0 1px rgba(243, 167, 186, 0.25); }
html.zh .onair, html.ja .onair, html.ko .onair { letter-spacing: 0.06em; }
.onair i { width: 8px; height: 8px; border-radius: 50%; background: #ff5a76; box-shadow: 0 0 0 0 rgba(255, 90, 118, 0.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(255, 90, 118, 0.55); } 70% { box-shadow: 0 0 0 10px rgba(255, 90, 118, 0); } 100% { box-shadow: 0 0 0 0 rgba(255, 90, 118, 0); } }
.hero h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(42px, 6.4vw, 78px); line-height: 1.08; letter-spacing: -0.015em; margin: 0 0 22px; }
html.zh .hero h1, html.ja .hero h1, html.ko .hero h1 { line-height: 1.25; letter-spacing: 0; font-size: clamp(38px, 5.6vw, 66px); }
.hero .sub { font-size: clamp(17px, 1.7vw, 20px); color: var(--muted); margin: 0 0 32px; max-width: 32em; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.requires { margin: 14px 0 0; font-size: 14px; color: var(--faint); }
.facts { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 26px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 15px; }
.facts li { display: inline-flex; align-items: center; gap: 8px; }
.facts li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--pink); }

/* 首屏右边：通话页的样子（背景是她的直播间，人是 App 里的立绘） */
.stage { margin: 0; display: flex; justify-content: center; }
.screen {
  position: relative; width: min(360px, 100%); aspect-ratio: 9 / 16; border-radius: 40px; overflow: hidden;
  background: #0d0a0e; box-shadow: 0 0 0 1px var(--line-2), 0 0 0 9px #0b080c, 0 0 0 10px var(--line-2), 0 50px 100px -30px rgba(0, 0, 0, 0.8), 0 0 120px -20px rgba(142, 35, 64, 0.55);
}
.screen .studio { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; filter: blur(1.5px) brightness(0.82); transform: scale(1.04); }
.screen .lin {
  position: absolute; left: 50%; bottom: -10%; width: 84%; height: auto; transform: translateX(-50%);
  -webkit-mask-image: linear-gradient(to bottom, #000 55%, transparent 88%); mask-image: linear-gradient(to bottom, #000 55%, transparent 88%);
  transform-origin: 50% 100%; animation: breathe 6s ease-in-out infinite;
}
@keyframes breathe { 0%, 100% { transform: translateX(-50%) translateY(0) scale(1); } 50% { transform: translateX(-50%) translateY(-3px) scale(1.006); } }
.screen::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(to bottom, rgba(13, 10, 14, 0.55), transparent 22%, transparent 55%, rgba(13, 10, 14, 0.85) 82%); }
.call-top { position: absolute; z-index: 2; top: 22px; left: 0; right: 0; text-align: center; }
.call-top b { display: block; font-family: var(--serif); font-size: 22px; font-weight: 600; letter-spacing: 0.02em; }
.call-top span { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); }
.call-top span::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #5fd38d; }
.caption {
  position: absolute; z-index: 2; left: 18px; right: 18px; bottom: 104px; margin: 0;
  padding: 12px 16px; border-radius: 18px; font-size: 15px; line-height: 1.45; text-align: center;
  background: rgba(20, 15, 22, 0.62); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: inset 0 0 0 1px var(--line-2); transition: opacity 0.6s;
}
.caption.fade { opacity: 0; }
.call-buttons { position: absolute; z-index: 2; bottom: 26px; left: 0; right: 0; display: flex; justify-content: center; gap: 44px; }
.call-buttons span { width: 58px; height: 58px; border-radius: 50%; display: grid; place-items: center; }
.call-buttons svg { width: 26px; height: 26px; }
.call-buttons .mute { background: rgba(255, 255, 255, 0.16); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.call-buttons .end { background: var(--red); }

@media (max-width: 900px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 44px; padding-top: 36px; padding-bottom: 64px; min-height: 0; }
  .stage .screen { width: min(340px, 88vw); }
}

/* ── 区块 ── */
.section { padding: 96px 0; position: relative; }
.section.tight { padding: 72px 0; }
.section.band { background: linear-gradient(180deg, var(--night) 0%, #1a1120 18%, #1a1120 82%, var(--night) 100%); }
.head { max-width: 760px; margin-bottom: 44px; }
.head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow { margin: 0 0 12px; font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); font-weight: 600; }
html.zh .eyebrow, html.ja .eyebrow, html.ko .eyebrow { letter-spacing: 0.08em; }
h2 { font-family: var(--serif); font-weight: 600; font-size: clamp(30px, 4.2vw, 46px); line-height: 1.16; letter-spacing: -0.01em; margin: 0 0 16px; }
html.zh h2, html.ja h2, html.ko h2 { line-height: 1.32; letter-spacing: 0; font-size: clamp(28px, 3.8vw, 40px); }
.lead { font-size: 18px; color: var(--muted); margin: 0; }
@media (max-width: 640px) { .section { padding: 72px 0; } .section.tight { padding: 56px 0; } .head { margin-bottom: 32px; } }

/* 五张功能卡：和商店截图一样的五个主题 */
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.feature { background: linear-gradient(180deg, var(--card-2), var(--card)); border-radius: var(--radius); padding: 22px 24px 26px; box-shadow: inset 0 0 0 1px var(--line); display: flex; flex-direction: column; min-width: 0; }
.feature.wide { grid-column: span 2; }
.feature h3 { font-family: var(--serif); font-weight: 600; font-size: 24px; line-height: 1.28; margin: 18px 0 8px; }
html.zh .feature h3, html.ja .feature h3, html.ko .feature h3 { font-size: 22px; line-height: 1.45; }
.feature p { margin: 0; color: var(--muted); font-size: 16px; }
.feature p + p { margin-top: 10px; color: var(--faint); font-size: 15px; }
.visual { height: 188px; border-radius: 16px; background: rgba(0, 0, 0, 0.22); box-shadow: inset 0 0 0 1px var(--line); position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; padding: 14px; }
@media (max-width: 900px) { .features { grid-template-columns: 1fr 1fr; } .feature.wide { grid-column: span 2; } }
@media (max-width: 620px) { .features { grid-template-columns: 1fr; } .feature.wide { grid-column: auto; } }

/* 打电话：两点的钟和声波 */
.v-call { flex-wrap: wrap; gap: 8px 22px; background: radial-gradient(80% 120% at 30% 50%, rgba(142, 35, 64, 0.35), transparent 70%), rgba(0, 0, 0, 0.25); }
.v-call .clock { white-space: nowrap; font-family: var(--serif); font-size: 46px; font-weight: 600; color: var(--paper); letter-spacing: 0.02em; font-variant-numeric: tabular-nums; }
.v-call .clock small { font-size: 16px; color: var(--faint); margin: 0 6px; }
.wave { display: flex; align-items: center; gap: 5px; height: 56px; }
.wave i { width: 5px; border-radius: 3px; background: var(--pink); height: 30%; animation: wave 1.3s ease-in-out infinite; }
.wave i:nth-child(2) { animation-delay: -0.2s; } .wave i:nth-child(3) { animation-delay: -0.45s; } .wave i:nth-child(4) { animation-delay: -0.7s; }
.wave i:nth-child(5) { animation-delay: -0.95s; } .wave i:nth-child(6) { animation-delay: -0.3s; } .wave i:nth-child(7) { animation-delay: -0.6s; }
@keyframes wave { 0%, 100% { height: 22%; } 50% { height: 100%; } }
/* 记得的事：几张小卡 */
.v-memory { flex-direction: column; align-items: stretch; gap: 8px; }
.v-memory span { display: flex; align-items: center; gap: 10px; padding: 7px 12px; border-radius: 12px; background: var(--bubble); font-size: 13.5px; line-height: 1.35; color: var(--paper); }
.v-memory span::before { content: ""; flex: none; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }
.v-memory span:nth-child(2) { margin-left: 14px; opacity: 0.85; } .v-memory span:nth-child(3) { margin-left: 28px; opacity: 0.65; }
/* 唱歌跳舞 */
.v-song { flex-direction: column; gap: 10px; }
.v-song .pills { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.v-song .pills span { display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px; border-radius: 999px; font-size: 13.5px; background: rgba(243, 167, 186, 0.12); color: var(--pink-soft); box-shadow: inset 0 0 0 1px rgba(243, 167, 186, 0.25); }
.v-song .pills svg { width: 15px; height: 15px; }
.v-song .notes { font-size: 13px; color: var(--faint); text-align: center; }
/* 日记：一页纸 */
.v-diary { padding: 16px; }
.v-diary .page { width: 100%; height: 100%; border-radius: 12px; padding: 12px 16px; background: #f4e8ea; color: #3a2630; font-family: var(--serif); font-size: 14.5px; line-height: 1.5; transform: rotate(-1.2deg); box-shadow: 0 10px 24px -10px rgba(0, 0, 0, 0.6); overflow: hidden; }
.v-diary .page b { display: block; color: var(--wine); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--sans); margin-bottom: 4px; }
/* 打字：八种语言 */
.v-chat { flex-wrap: wrap; align-content: center; gap: 7px; }
.v-chat span { padding: 5px 11px; border-radius: 999px; background: var(--bubble); font-size: 14px; color: var(--muted); }
.v-chat span:nth-child(odd) { color: var(--paper); }

/* ── 认识她 ── */
.meet { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: center; }
.persona { background: linear-gradient(160deg, #2a1a26, var(--card) 60%); border-radius: 28px; padding: 28px; box-shadow: inset 0 0 0 1px var(--line), 0 40px 80px -40px rgba(142, 35, 64, 0.6); }
.persona .who { display: flex; align-items: center; gap: 16px; }
.persona .who img { width: 76px; height: 76px; border-radius: 50%; box-shadow: 0 0 0 2px var(--wine), 0 0 0 5px rgba(142, 35, 64, 0.25); background: #2b1f29; }
.persona .who b { display: block; font-family: var(--serif); font-size: 30px; line-height: 1.1; font-weight: 600; }
.persona .who span { color: var(--muted); font-size: 15px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0; padding: 0; list-style: none; }
.tags li { padding: 5px 12px; border-radius: 999px; font-size: 14px; background: rgba(255, 255, 255, 0.06); color: var(--paper); box-shadow: inset 0 0 0 1px var(--line); }
.quote { margin: 0; padding: 18px 20px; border-radius: 18px; background: rgba(0, 0, 0, 0.25); }
.quote small { display: block; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); margin-bottom: 6px; font-weight: 600; }
.quote p { margin: 0; font-family: var(--serif); font-size: 21px; line-height: 1.45; color: var(--pink-soft); }
.details { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 14px; }
.details li { display: flex; gap: 14px; color: var(--muted); }
.details .ic { flex: none; width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; background: rgba(142, 35, 64, 0.3); color: var(--pink); }
.details .ic svg { width: 20px; height: 20px; }
.details li div { padding-top: 6px; }
@media (max-width: 900px) { .meet { grid-template-columns: 1fr; gap: 40px; } .meet .persona { order: 2; } }

/* ── 隐私：手机 → 我们的服务器 → AI 模型 ── */
.flow { display: grid; grid-template-columns: 1.2fr auto 1fr auto 1fr; align-items: stretch; gap: 0; }
.node { background: var(--card); border-radius: var(--radius); padding: 22px; box-shadow: inset 0 0 0 1px var(--line); }
.node.phone { background: linear-gradient(160deg, rgba(142, 35, 64, 0.38), var(--card) 70%); box-shadow: inset 0 0 0 1px rgba(243, 167, 186, 0.3); }
.node h3 { display: flex; align-items: center; gap: 10px; font-size: 17px; margin: 0 0 12px; }
.node h3 svg { width: 22px; height: 22px; color: var(--pink); flex: none; }
.node ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.node li { display: flex; gap: 10px; font-size: 15px; color: var(--muted); line-height: 1.5; }
.node li svg { flex: none; width: 18px; height: 18px; margin-top: 2px; color: var(--pink); }
.node li.no svg { color: var(--faint); }
.arrow { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; padding: 0 10px; color: var(--faint); font-size: 12px; text-align: center; min-width: 92px; }
.arrow svg { width: 60px; height: 14px; color: var(--pink); opacity: 0.8; }
.arrow span { max-width: 9em; line-height: 1.3; }
.nos { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 32px 0 0; padding: 0; list-style: none; }
.nos li { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 999px; background: rgba(255, 255, 255, 0.05); box-shadow: inset 0 0 0 1px var(--line); font-size: 15px; }
.nos li svg { width: 16px; height: 16px; color: var(--pink); }
.center-link { text-align: center; margin: 28px 0 0; }
@media (max-width: 900px) {
  .flow { grid-template-columns: 1fr; }
  .arrow { flex-direction: row; padding: 10px 0; min-width: 0; }
  .arrow svg { transform: rotate(90deg); width: 34px; }
}

/* ── 价格 ── */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 980px; margin: 0 auto; }
.plan { background: var(--card); border-radius: var(--radius); padding: 26px; box-shadow: inset 0 0 0 1px var(--line); text-align: center; }
.plan.best { background: linear-gradient(170deg, rgba(142, 35, 64, 0.45), var(--card) 75%); box-shadow: inset 0 0 0 1.5px rgba(243, 167, 186, 0.45); position: relative; }
.plan .badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); padding: 3px 12px; border-radius: 999px; background: var(--pink); color: var(--night); font-size: 13px; font-weight: 700; white-space: nowrap; }
.plan h3 { margin: 0 0 10px; font-size: 16px; font-weight: 600; color: var(--muted); }
.plan .price { margin: 0; font-family: var(--serif); font-size: 44px; line-height: 1.1; font-weight: 600; color: var(--paper); font-variant-numeric: tabular-nums; }
.plan .price small { font-family: var(--sans); font-size: 16px; color: var(--faint); font-weight: 400; margin-left: 4px; }
.plan .note { margin: 10px 0 0; font-size: 15px; color: var(--faint); }
.includes { list-style: none; margin: 32px auto 0; padding: 0; max-width: 980px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 28px; }
.includes li { display: flex; gap: 10px; color: var(--muted); font-size: 16px; }
.includes svg { flex: none; width: 20px; height: 20px; margin-top: 3px; color: var(--pink); }
.plans-foot { max-width: 760px; margin: 28px auto 0; text-align: center; font-size: 14px; color: var(--faint); }
@media (max-width: 820px) { .plans { grid-template-columns: 1fr; max-width: 420px; } .includes { grid-template-columns: 1fr; max-width: 420px; } }

/* ── 常见问题 ── */
.faq { max-width: 800px; margin: 0 auto; }
.faq details { background: var(--card); border-radius: 18px; margin-bottom: 10px; box-shadow: inset 0 0 0 1px var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 54px 18px 22px; font-weight: 600; font-size: 17px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 24px; top: 50%; width: 9px; height: 9px; border-right: 2px solid var(--faint); border-bottom: 2px solid var(--faint); transform: translateY(-70%) rotate(45deg); transition: transform 0.2s; }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details p { margin: 0; padding: 0 22px 20px; color: var(--muted); }
.faq .more { text-align: center; margin-top: 24px; }

/* ── 结尾 ── */
.closing { text-align: center; max-width: 640px; margin: 0 auto; }
.closing img { width: 84px; height: 84px; border-radius: 20px; margin: 0 auto 22px; box-shadow: 0 0 0 1px var(--line-2), 0 20px 50px -10px rgba(142, 35, 64, 0.7); }
.closing p { color: var(--muted); margin: 0 0 26px; }
.closing .ctas { justify-content: center; }

/* ── 页脚 ── */
.footer { border-top: 1px solid var(--line); padding: 40px 0 48px; font-size: 14px; color: var(--faint); }
.footer .wrap { display: grid; gap: 16px; }
.footer .links { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer .links a { color: var(--muted); text-decoration: none; }
.footer .links a:hover { color: var(--paper); }
.langs { display: flex; flex-wrap: wrap; gap: 6px 16px; }
.langs a { color: var(--faint); text-decoration: none; }
.langs a:hover { color: var(--paper); }
.langs a[aria-current] { color: var(--paper); font-weight: 600; }
.footer p { margin: 0; }

/* ── 隐私政策、用户协议、支持页 ── */
.doc { max-width: 780px; margin: 0 auto; padding: 56px 20px 40px; }
.doc h1 { font-family: var(--serif); font-weight: 600; font-size: clamp(32px, 7vw, 52px); line-height: 1.2; margin: 0 0 10px; }
html .doc h1 { word-break: normal; overflow-wrap: anywhere; }
.doc .meta { color: var(--faint); font-size: 15px; margin: 0 0 18px; }
.doc .note { font-size: 14px; color: var(--faint); background: rgba(255, 255, 255, 0.04); border-radius: 12px; padding: 10px 14px; margin: 0 0 18px; box-shadow: inset 0 0 0 1px var(--line); }
.doc .intro { font-size: 18px; color: var(--muted); margin: 0 0 28px; }
.block { background: var(--card); border-radius: var(--radius); padding: 24px 26px; margin-bottom: 14px; box-shadow: inset 0 0 0 1px var(--line); }
.block.hl { background: linear-gradient(160deg, rgba(142, 35, 64, 0.3), var(--card) 70%); box-shadow: inset 0 0 0 1px rgba(243, 167, 186, 0.25); }
.block h2 { font-family: var(--sans); font-size: 20px; font-weight: 650; line-height: 1.35; margin: 0 0 10px; letter-spacing: 0; }
.block p, .block li { color: var(--muted); margin: 0 0 10px; }
.block p:last-child, .block li:last-child { margin-bottom: 0; }
.block ul { margin: 0 0 10px; padding-left: 1.2em; }
.block ul:last-child { margin-bottom: 0; }
.block li::marker { color: var(--pink); }
.block table { width: 100%; border-collapse: collapse; margin: 0 0 10px; font-size: 16px; }
.block th, .block td { text-align: left; vertical-align: top; padding: 10px 0; border-top: 1px solid var(--line); color: var(--muted); }
.block th { color: var(--paper); font-weight: 600; width: 34%; padding-right: 16px; }
.block tr:first-child th, .block tr:first-child td { border-top: 0; }
.doc .faq { margin: 0 0 14px; }
.doc .contact-card { text-align: center; }
.doc .contact-card .btn { margin-top: 6px; }
@media (max-width: 560px) { .block { padding: 20px; } .block th { width: 40%; } .doc { padding-top: 40px; } }

/* 404 */
body.lost { min-height: 100vh; display: grid; place-items: center; background: radial-gradient(60% 50% at 50% 30%, rgba(142, 35, 64, 0.3), transparent 70%), var(--night); }
.doc.center { text-align: center; }
.brand.big { font-size: 26px; flex-direction: column; gap: 14px; }
.brand.big img { width: 64px; height: 64px; border-radius: 16px; }
.lost h1 { font-size: 64px; margin: 24px 0 4px; }
.lost-list { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 8px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (max-width: 620px) { .visual { height: auto; min-height: 168px; } .v-call .clock { font-size: 40px; } .v-diary .page { height: auto; } .v-memory span:nth-child(2) { margin-left: 8px; } .v-memory span:nth-child(3) { margin-left: 16px; } }