/* ============================================================
   星际畅游 · 加速服务落地页样式
   主题：深夜星空 + 卡通亮色，桌面 / 移动双端响应式
   断点：<=768px 移动端，769~1100px 平板，>1100px 桌面
   ============================================================ */

:root {
  --navy-0: #0b1537;
  --navy-1: #122253;
  --navy-2: #1a2f6b;
  --blue: #2f6bff;
  --blue-deep: #1e4fd6;
  --cyan: #4db8ff;
  --yellow: #ffd23f;
  --orange: #ff9838;
  --orange-deep: #f57c1f;
  --teal: #1fbc8b;
  --teal-deep: #149c71;
  --purple: #7d5fff;
  --purple-deep: #6244e0;
  --red: #ff5d5d;
  --white: #ffffff;
  --ink: #17233f;
  --ink-soft: #4a5878;
  --card-light: #f4f8ff;
  --radius-lg: 26px;
  --radius-md: 18px;
  --shadow-card: 0 12px 32px rgba(8, 16, 45, .35);
  --font-toon: 'ZCOOL KuaiLe', 'Noto Sans SC', sans-serif;
  --font-main: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html { scroll-behavior: smooth; }

/* 锚点定位时避开固定导航栏 */
section[id] { scroll-margin-top: 76px; }

body {
  font-family: var(--font-main);
  color: var(--white);
  background: linear-gradient(180deg, #0a1230 0%, #10204f 30%, #0b1537 100%);
  overflow-x: hidden;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container {
  width: min(1140px, 92%);
  margin-inline: auto;
}

/* ---------- 星空背景 ---------- */
.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.stars {
  position: absolute;
  inset: 0;
  background-repeat: repeat;
  opacity: .9;
}
.stars-a {
  background-image:
    radial-gradient(2px 2px at 25px 35px, #fff 55%, transparent 60%),
    radial-gradient(1.5px 1.5px at 120px 90px, #cfe2ff 55%, transparent 60%),
    radial-gradient(2px 2px at 200px 160px, #ffe9a3 55%, transparent 60%);
  background-size: 260px 220px;
  animation: twinkle 4s ease-in-out infinite alternate;
}
.stars-b {
  background-image:
    radial-gradient(1px 1px at 60px 130px, #9db8e8 55%, transparent 60%),
    radial-gradient(1.5px 1.5px at 180px 40px, #fff 55%, transparent 60%);
  background-size: 320px 280px;
  animation: twinkle 6s ease-in-out infinite alternate-reverse;
}
@keyframes twinkle {
  from { opacity: .45; }
  to   { opacity: 1; }
}
.planet {
  position: absolute;
  border-radius: 50%;
}
.planet-1 {
  width: 90px; height: 90px;
  top: 8%; right: 12%;
  background: radial-gradient(circle at 32% 30%, #ffd9a0, #f5a04c 55%, #b96a20);
  box-shadow: 0 0 40px rgba(245, 160, 76, .45);
}
.planet-1::after {
  content: '';
  position: absolute;
  left: -28%; top: 42%;
  width: 156%; height: 16px;
  border-radius: 50%;
  background: linear-gradient(90deg, transparent, rgba(180, 210, 255, .65), transparent);
  transform: rotate(-14deg);
}
.planet-2 {
  width: 36px; height: 36px;
  top: 34%; left: 6%;
  background: radial-gradient(circle at 35% 30%, #bfe0ff, #4d8fe0 60%, #245a9e);
  box-shadow: 0 0 22px rgba(77, 143, 224, .5);
}
.rocket-deco {
  position: absolute;
  top: 20%; left: 18%;
  font-size: 30px;
  transform: rotate(-18deg);
  animation: drift 9s ease-in-out infinite alternate;
}
@keyframes drift {
  from { translate: 0 0; }
  to   { translate: 26px -18px; }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 999px;
  font-family: var(--font-toon);
  font-size: 16px;
  padding: 10px 26px;
  border: 3px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px) scale(1.03); filter: brightness(1.06); }
.btn:active { transform: translateY(0) scale(.98); }
.btn-lg { padding: 13px 34px; font-size: 18px; }
.btn-xl { padding: 16px 46px; font-size: 21px; }
.btn-block { width: 100%; }

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-deep));
  color: #fff;
  box-shadow: 0 8px 20px rgba(47, 107, 255, .45), inset 0 -3px 0 rgba(0, 0, 0, .18);
}
.btn-ghost {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .55);
  color: #fff;
  backdrop-filter: blur(4px);
}
.btn-teal {
  background: linear-gradient(135deg, var(--teal), var(--teal-deep));
  color: #fff;
  box-shadow: 0 8px 18px rgba(31, 188, 139, .4), inset 0 -3px 0 rgba(0, 0, 0, .15);
}
.btn-purple {
  background: linear-gradient(135deg, var(--purple), var(--purple-deep));
  color: #fff;
  box-shadow: 0 8px 18px rgba(125, 95, 255, .42), inset 0 -3px 0 rgba(0, 0, 0, .15);
}
.btn-orange {
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  color: #fff;
  box-shadow: 0 8px 18px rgba(255, 152, 56, .42), inset 0 -3px 0 rgba(0, 0, 0, .15);
}
.btn-join {
  background: #eaf3ff;
  color: var(--blue-deep);
  border-color: #bcd7ff;
  box-shadow: 0 6px 16px rgba(6, 14, 40, .25);
}
.btn-cta {
  background: linear-gradient(135deg, #43b7ff, #1d7fe8);
  color: #fff;
  border-color: rgba(255, 255, 255, .75);
  box-shadow: 0 10px 26px rgba(29, 127, 232, .55), inset 0 -4px 0 rgba(0, 0, 0, .18);
}

/* ---------- 标签 / 药丸 ---------- */
.tag-row { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #bcd0f7; letter-spacing: 2px; }
.tag-dot { color: #5f7bb6; }

.pill {
  display: inline-block;
  font-family: var(--font-toon);
  font-size: 15px;
  padding: 5px 18px;
  border-radius: 999px;
  border: 2px solid transparent;
}
.pill-yellow {
  background: linear-gradient(135deg, #ffe27a, var(--yellow));
  color: #6b4a00;
  box-shadow: 0 4px 12px rgba(255, 210, 63, .35);
}
.pill-white {
  background: rgba(255, 255, 255, .92);
  color: var(--ink);
  font-size: 13px;
  padding: 3px 14px;
}
/* 城市药丸随轮播跳变时的翻转动效 */
.pill-flip { animation: pillFlip .45s ease; }
@keyframes pillFlip {
  0%   { transform: rotateX(88deg); opacity: 0; }
  100% { transform: rotateX(0); opacity: 1; }
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(155, 190, 255, .45);
  color: #dbe8ff;
  border-radius: 999px;
  font-size: 14px;
  padding: 6px 16px;
  backdrop-filter: blur(3px);
}

/* ---------- 导航 ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
  transition: background .3s ease, box-shadow .3s ease, padding .3s ease;
}
.navbar.scrolled {
  background: rgba(10, 18, 48, .88);
  backdrop-filter: blur(12px);
  box-shadow: 0 6px 22px rgba(0, 0, 0, .4);
  padding: 8px 0;
}
.nav-inner { display: flex; align-items: center; gap: 18px; }
.brand { display: flex; align-items: center; gap: 8px; font-family: var(--font-toon); font-size: 21px; }
.brand-icon { display: inline-flex; }
.brand-photo {
  width: 36px; height: 36px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 24%;
  border: 2px solid rgba(255, 255, 255, .85);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .35);
}
.brand-text em { font-style: normal; color: var(--yellow); }
.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}
.nav-links a {
  font-size: 15px;
  color: #c9d8f5;
  padding: 8px 14px;
  border-radius: 999px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: #fff; background: rgba(255, 255, 255, .1); }
.btn-nav { flex-shrink: 0; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}
.nav-toggle span {
  width: 26px; height: 3px;
  border-radius: 3px;
  background: #fff;
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 150px 0 120px;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: 40px;
}
.hero-title {
  font-family: var(--font-toon);
  font-size: clamp(38px, 5.2vw, 64px);
  line-height: 1.22;
  margin: 18px 0 20px;
  text-shadow: 0 6px 18px rgba(0, 0, 0, .45);
}
.hl-yellow {
  color: var(--yellow);
  text-shadow: 0 0 24px rgba(255, 210, 63, .55), 0 4px 0 rgba(0, 0, 0, .25);
}
.hero-sub {
  font-size: clamp(16px, 2vw, 21px);
  color: #d7e4ff;
  letter-spacing: 3px;
  margin: 18px 0 22px;
}
.scene-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

.hero-art { display: flex; justify-content: center; }
.astronaut-card { position: relative; text-align: center; }
.avatar-wrap { position: relative; display: inline-block; }
.hero-photo {
  width: clamp(230px, 26vw, 330px);
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center 22%;
  border-radius: 50%;
  border: 6px solid rgba(255, 255, 255, .9);
  background: #16264f;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .55), 0 0 0 10px rgba(120, 170, 255, .18);
  animation: float 5s ease-in-out infinite;
}
.astronaut {
  font-size: clamp(130px, 16vw, 210px);
  line-height: 1;
  filter: drop-shadow(0 18px 34px rgba(0, 0, 0, .5));
  animation: float 5s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50%      { transform: translateY(-18px) rotate(2deg); }
}
.flag {
  position: absolute;
  top: 4%; right: -8%;
  background: linear-gradient(135deg, #4d8fe8, #2456b8);
  border: 2px solid #8fbaff;
  color: #fff;
  font-family: var(--font-toon);
  font-size: 15px;
  line-height: 1.4;
  padding: 10px 14px;
  border-radius: 10px 10px 10px 2px;
  transform: rotate(6deg);
  box-shadow: 0 8px 18px rgba(0, 0, 0, .35);
}
.skyline {
  margin-top: 6px;
  height: 132px;
}
.sky-roller {
  position: relative;
  height: 132px;
}
.sky-slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  /* 默认隐退：收缩 + 淡出 */
  opacity: 0;
  transform: scale(.3);
  transition: transform .65s cubic-bezier(.34, 1.3, .5, 1), opacity .45s ease;
  pointer-events: none;
}
.sky-slide.active {
  /* 入场：从缩小状态弹放到正常尺寸 */
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}
.sky-emoji {
  font-size: 54px;
  line-height: 1;
  filter: drop-shadow(0 8px 14px rgba(0, 0, 0, .4));
}
.city-tag {
  background: linear-gradient(135deg, #2b5cff, #1638b0);
  border: 2px solid #7fa6ff;
  color: #fff;
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 13px;
  padding: 4px 16px;
  border-radius: 8px;
}

.cloud-divider {
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 90px;
  background:
    radial-gradient(circle at 8% 130%, var(--card-light) 42%, transparent 43%),
    radial-gradient(circle at 26% 118%, var(--card-light) 34%, transparent 35%),
    radial-gradient(circle at 45% 132%, var(--card-light) 44%, transparent 45%),
    radial-gradient(circle at 66% 120%, var(--card-light) 36%, transparent 37%),
    radial-gradient(circle at 84% 132%, var(--card-light) 44%, transparent 45%),
    radial-gradient(circle at 100% 122%, var(--card-light) 34%, transparent 35%);
}

/* ---------- 通用 Section ---------- */
.section { padding: 84px 0; position: relative; }
.section-light { background: var(--card-light); color: var(--ink); }
.section-light .section-title { color: var(--ink); }
.section-dark { background: linear-gradient(180deg, #101d47, #0c1737); }

.section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 42px;
}
.section-head.left { flex-direction: column; align-items: flex-start; gap: 10px; }
.section-title {
  font-family: var(--font-toon);
  font-size: clamp(26px, 3.4vw, 38px);
  color: #fff;
}
.section-light .section-title {
  background: linear-gradient(135deg, #1e4fd6, #17233f);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-note {
  font-family: var(--font-toon);
  background: linear-gradient(135deg, #ffe27a, var(--yellow));
  color: #6b4a00;
  border-radius: 999px;
  padding: 5px 18px;
  font-size: 15px;
  box-shadow: 0 4px 12px rgba(255, 210, 63, .35);
}

/* ---------- 为什么选择我们 ---------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.why-card {
  background: #fff;
  border: 2px solid #e3ecff;
  border-radius: var(--radius-md);
  padding: 26px 16px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(30, 60, 130, .08);
  transition: transform .22s ease, box-shadow .22s ease;
}
.why-card:hover { transform: translateY(-6px); box-shadow: 0 16px 30px rgba(30, 60, 130, .16); }
.why-icon {
  width: 64px; height: 64px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  font-size: 30px;
  border-radius: 50%;
}
.icon-blue { background: radial-gradient(circle at 35% 30%, #dcebff, #a9c8ff); }
.icon-green { background: radial-gradient(circle at 35% 30%, #d5f7ea, #96e3c3); }
.why-card h3 {
  font-family: var(--font-toon);
  font-size: 19px;
  color: var(--ink);
  margin-bottom: 8px;
}
.why-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.7; }

/* ---------- 优势对比 ---------- */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 22px;
  align-items: stretch;
}
.compare-card {
  border-radius: var(--radius-lg);
  padding: 30px 30px 26px;
  position: relative;
}
.compare-bad {
  background: linear-gradient(150deg, #252c47, #171c31);
  border: 2px solid #3c4566;
}
.compare-good {
  background: linear-gradient(150deg, #fff8dd, #ffedbb);
  border: 3px solid #ffd23f;
  color: var(--ink);
}
.compare-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 20px; }
.compare-head h3 {
  font-family: var(--font-toon);
  font-size: clamp(19px, 2.2vw, 25px);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 7px 22px;
  border: 2px solid #d8e2ff;
  white-space: nowrap;
}
.compare-good .compare-head { flex-direction: column; }
.compare-good .compare-head h3 { border-color: #ffd23f; }
.worry-bubble {
  font-size: 12.5px;
  color: #aebadb;
  background: rgba(255,255,255,.07);
  border-radius: 12px 12px 12px 2px;
  padding: 8px 12px;
  line-height: 1.5;
}
.motto {
  font-family: var(--font-toon);
  color: var(--orange-deep);
  font-size: 17px;
  line-height: 1.45;
  transform: rotate(-2deg);
  align-self: flex-end;
  text-align: right;
}
.compare-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15.5px;
  padding: 8px 0;
}
.list-bad li::before { content: '✕'; color: var(--red); font-weight: 900; flex-shrink: 0; }
.list-bad li { color: #d5ddf2; }
.list-good li::before { content: '✔'; color: var(--teal-deep); font-weight: 900; flex-shrink: 0; }
.list-good li { color: #4a3a10; font-weight: 500; }
.compare-arrow {
  align-self: center;
  font-size: 34px;
  color: var(--yellow);
  text-shadow: 0 0 18px rgba(255, 210, 63, .7);
  animation: nudge 1.6s ease-in-out infinite;
}
@keyframes nudge {
  0%, 100% { transform: translateX(0); }
  50%      { transform: translateX(8px); }
}
.cheer {
  position: absolute;
  right: 22px; bottom: 14px;
  font-family: var(--font-toon);
  color: var(--blue-deep);
  background: #fff;
  border: 2px solid #ffd23f;
  border-radius: 999px 999px 999px 4px;
  padding: 5px 14px;
  font-size: 14px;
  transform: rotate(4deg);
}

/* ---------- TG 社群 ---------- */
.section-community {
  background: linear-gradient(120deg, #14336e 0%, #1b6fae 55%, #2a9d8f 100%);
  padding: 84px 0;
}
.community-inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 40px;
  align-items: center;
}
.community-copy .section-title { color: #fff; }
.community-text { margin: 10px 0; font-size: 16.5px; color: #e8f3ff; }
.link-tg { color: var(--yellow); font-weight: 700; text-decoration: underline; }
.community-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 20px;
  margin: 14px 0 24px;
}
.community-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: #dff5ea;
}
.community-list li::before {
  content: '✔';
  color: #45e0a8;
  font-weight: 900;
}
.community-tip { margin-top: 10px; font-size: 12.5px; color: #b9d4ee; }
.community-art { display: flex; justify-content: center; }
.sofa-scene { position: relative; text-align: center; }
.sofa {
  font-size: clamp(90px, 10vw, 140px);
  filter: drop-shadow(0 16px 26px rgba(0, 0, 0, .4));
  animation: float 6s ease-in-out infinite;
}
.speech {
  position: absolute;
  top: -14%; right: -6%;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  border-radius: 16px 16px 4px 16px;
  padding: 10px 16px;
  box-shadow: 0 8px 18px rgba(0, 0, 0, .25);
  transform: rotate(3deg);
}
.age-badge {
  position: absolute;
  top: -10%; left: -10%;
  font-size: 46px;
  line-height: 1;
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, .35));
  animation: float 5.5s ease-in-out infinite;
}

/* ---------- 套餐价格 ---------- */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  align-items: stretch;
}
.price-card {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 34px 28px 30px;
  color: #fff;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform .25s ease, box-shadow .25s ease;
  overflow: hidden;
}
.price-card::after {
  content: '';
  position: absolute;
  right: -34px; top: -34px;
  width: 130px; height: 130px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .14);
}
.price-card:hover { transform: translateY(-8px) scale(1.015); }
.card-teal   { background: linear-gradient(160deg, #2fd0a0, #0f9b74); }
.card-purple { background: linear-gradient(160deg, #8f75ff, #5a3fd0); }
.card-orange { background: linear-gradient(160deg, #ffb35c, #f07a1a); }
.price-card.featured { transform: scale(1.04); border: 3px solid #ffe08a; }
.price-card.featured:hover { transform: scale(1.04) translateY(-8px); }
.price-badge {
  position: absolute;
  top: 20px; right: -6px;
  z-index: 1;
  font-family: var(--font-toon);
  font-size: 13.5px;
  padding: 5px 16px;
  border-radius: 999px 0 0 999px;
  color: #fff;
  box-shadow: 0 5px 12px rgba(0, 0, 0, .25);
}
.badge-teal { background: #ff6b9d; }
.badge-orange { background: linear-gradient(135deg, #ff9d3c, #f56a12); }
.price-card h3 {
  font-family: var(--font-toon);
  font-size: 24px;
  margin-bottom: 10px;
}
.price { display: flex; align-items: baseline; gap: 3px; margin: 20px 0 22px; }
.price .cny { font-size: 24px; font-weight: 700; }
.price .num {
  font-family: var(--font-toon);
  font-size: clamp(44px, 4.6vw, 56px);
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 4px 0 rgba(0, 0, 0, .18);
}
.price .unit { font-size: 16px; opacity: .9; }
.price-custom {
  font-family: var(--font-toon);
  font-size: clamp(26px, 2.8vw, 34px);
  line-height: 1.2;
  margin: 26px 0 4px;
}
.price-cny {
  margin: -12px 0 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, .88);
}
.price-cny strong { color: #fff; font-size: 15.5px; }
.feature-list { flex: 1; margin-bottom: 26px; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 15px;
  padding: 7px 0;
}
.feature-list li::before { content: '✔'; font-weight: 900; flex-shrink: 0; }
.list-check-green  li::before { color: #c9f7de; }
.list-check-purple li::before { color: #d9cdff; }
.list-check-orange li::before { color: #ffe8c7; }
.price-card .pill-white { align-self: flex-start; }

/* ---------- 套餐详情 ---------- */
.section-details .section-head { margin-bottom: 34px; }
.detail-grid {
  display: grid;
  grid-template-columns: auto repeat(3, 1fr) auto;
  gap: 18px;
  align-items: center;
  background: rgba(255, 255, 255, .06);
  border: 2px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-lg);
  padding: 30px;
  backdrop-filter: blur(6px);
}
.detail-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.detail-icon {
  width: 52px; height: 52px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  font-size: 24px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #dcebff, #8fb6f0);
}
.detail-item h3 { font-size: 16.5px; color: var(--yellow); font-family: var(--font-toon); font-weight: 400; }
.detail-item p { font-size: 13.5px; color: #cfddf6; line-height: 1.6; }
.detail-help { display: flex; justify-content: flex-end; }
.detail-help-left { justify-content: flex-start; }
.help-bubble {
  font-family: var(--font-toon);
  background: #fff;
  color: var(--blue-deep);
  border-radius: 16px 16px 16px 4px;
  padding: 10px 16px;
  font-size: 14.5px;
  box-shadow: 0 8px 18px rgba(0, 0, 0, .3);
  transform: rotate(-2deg);
  white-space: pre-line;
  text-align: center;
}
/* 左侧合作气泡：小尾巴镜像到右下 */
.bubble-coop {
  color: var(--teal-deep);
  border-radius: 16px 16px 4px 16px;
  transform: rotate(2deg);
}

/* ---------- 底部 CTA ---------- */
.cta-footer {
  background:
    radial-gradient(ellipse 90% 60% at 50% 120%, rgba(43, 92, 255, .5), transparent 70%),
    linear-gradient(180deg, #0a1230, #060b1f);
  padding: 90px 0 0;
  text-align: center;
  position: relative;
}
.cta-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  text-align: left;
  padding-bottom: 70px;
}
.cta-copy h2 { font-family: var(--font-toon); font-size: clamp(26px, 3.2vw, 36px); }
.cta-copy p { color: #aebfdb; margin-top: 6px; font-size: 15px; }
.cta-action { display: flex; justify-content: center; }
.cta-slogan {
  font-family: var(--font-toon);
  color: var(--yellow);
  font-size: 19px;
  line-height: 1.5;
  text-align: right;
  transform: rotate(-2deg);
}
.footer-bar {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 18px 0;
  text-align: center;
}
.footer-bar p { font-size: 13px; color: #7e90b8; }

/* ---------- 进场动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* ============================================================
   平板 769 ~ 1100px
   ============================================================ */
@media (max-width: 1100px) {
  .why-grid { grid-template-columns: repeat(3, 1fr); }
  .detail-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-help { grid-column: 1 / -1; justify-content: center; }
  .nav-links a { padding: 8px 10px; font-size: 14px; }
}

/* ============================================================
   移动端 <=768px
   ============================================================ */
@media (max-width: 768px) {
  .section { padding: 58px 0; }

  /* 导航：折叠菜单 */
  .nav-toggle { display: flex; }
  .btn-nav { display: none; }
  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 4%; right: 4%;
    flex-direction: column;
    gap: 2px;
    background: rgba(12, 21, 52, .96);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 16px;
    padding: 10px;
    box-shadow: 0 18px 40px rgba(0, 0, 0, .5);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
    margin-left: 0;
  }
  .nav-links.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links a { padding: 13px 16px; font-size: 16px; border-radius: 12px; }
  .navbar { background: rgba(10, 18, 48, .82); backdrop-filter: blur(12px); padding: 10px 0; }

  /* Hero */
  .hero { padding: 118px 0 96px; }
  .hero-inner { grid-template-columns: 1fr; gap: 26px; text-align: center; }
  .tag-row { justify-content: center; }
  .scene-chips { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-art { order: -1; }
  .hero-photo { width: 200px; border-width: 4px; box-shadow: 0 14px 32px rgba(0,0,0,.5), 0 0 0 7px rgba(120,170,255,.18); }
  .flag { right: -4%; top: 0; font-size: 13px; padding: 8px 11px; }
  .cloud-divider { height: 54px; }

  /* 为什么选择我们 */
  .section-head { justify-content: center; text-align: center; }
  .why-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .why-card { padding: 20px 12px; }
  .why-icon { width: 52px; height: 52px; font-size: 24px; }
  .why-card h3 { font-size: 16.5px; }
  .why-card p { font-size: 12.5px; }

  /* 对比 */
  .compare-grid { grid-template-columns: 1fr; }
  .compare-arrow { transform: rotate(90deg); justify-self: center; animation: none; }
  .compare-card { padding: 24px 20px; }
  .compare-head { flex-direction: column; align-items: center; text-align: center; }
  .compare-head h3 { white-space: normal; font-size: 18px; text-align: center; }
  .worry-bubble { display: none; }
  .motto { align-self: center; text-align: center; }
  .compare-list li { font-size: 14.5px; }
  .cheer { right: 12px; bottom: 10px; }

  /* 社群 */
  .section-community { padding: 58px 0; }
  .community-inner { grid-template-columns: 1fr; gap: 26px; }
  .community-art { order: -1; }
  /* 标题区居中 */
  .community-copy .section-head.left { align-items: center; text-align: center; }
  .community-copy { text-align: center; }
  .community-list { justify-items: center; text-align: left; max-width: 340px; margin-inline: auto; }
  .btn-join { margin-inline: auto; }
  /* 沙发场景：气泡/角标独立成行，不再叠在 emoji 上 */
  .sofa-scene { display: flex; flex-direction: column; align-items: center; gap: 12px; }
  .speech { position: static; transform: rotate(-2deg); }
  .age-badge { position: static; font-size: 40px; animation: none; order: 2; }
  .sofa { order: 1; }

  /* 价格 */
  .price-grid { grid-template-columns: 1fr; gap: 20px; max-width: 420px; margin-inline: auto; }
  .price-card.featured { transform: none; }
  .price-card.featured:hover { transform: translateY(-8px); }

  /* 详情 */
  .detail-grid { grid-template-columns: 1fr; padding: 22px; }
  .detail-help { grid-column: auto; }

  /* CTA */
  .cta-footer { padding-top: 60px; }
  .cta-inner { grid-template-columns: 1fr; text-align: center; gap: 20px; padding-bottom: 46px; }
  .cta-slogan { text-align: center; }

  /* 手机端底部固定订阅条 */
  .mobile-buybar {
    display: flex;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 90;
    align-items: center;
    gap: 12px;
    background: rgba(12, 21, 52, .96);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(255, 255, 255, .14);
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  }
  .mobile-buybar .bar-price { flex: 1; line-height: 1.25; }
  .mobile-buybar .bar-price strong { color: var(--yellow); font-size: 18px; font-family: var(--font-toon); }
  .mobile-buybar .bar-price span { display: block; font-size: 11.5px; color: #9fb2d8; }
  .mobile-buybar .btn { padding: 11px 26px; }
  body { padding-bottom: 74px; }
}

/* 桌面端隐藏底部订阅条 */
@media (min-width: 769px) {
  .mobile-buybar { display: none; }
}