/* =========================================================
   猫番阅读 - 品牌官网样式
   配色取自 Logo：暖黄 / 正红 / 米白 / 墨黑
   ========================================================= */

:root {
  --yellow: #FFC63F;
  --yellow-deep: #F5A61C;
  --yellow-soft: #FFE9B8;
  --red: #E8402A;
  --red-deep: #C92F1B;
  --ink: #241C14;
  --ink-2: #4C4034;
  --muted: #867768;
  --cream: #FFFBF2;
  --cream-2: #FFF5DF;
  --paper: #FFFFFF;
  --line: rgba(36, 28, 20, .09);
  --shadow-sm: 0 8px 24px rgba(94, 61, 10, .07);
  --shadow-md: 0 20px 50px rgba(94, 61, 10, .12);
  --shadow-lg: 0 40px 90px rgba(94, 61, 10, .2);
  --radius: 26px;
  --container: 1160px;
  --header-h: 76px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--cream);
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: transparent;
  line-height: 1.7;
  overflow-x: hidden;
}

section[id] {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

/* 页面底纹 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(900px 600px at 8% -5%, rgba(255, 198, 63, .22), transparent 62%),
    radial-gradient(760px 520px at 100% 8%, rgba(232, 64, 42, .08), transparent 65%),
    linear-gradient(#FFFBF2, #FFFBF2);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; line-height: 1.25; letter-spacing: -.02em; }
dl, dd, dt, ul, li, figure { margin: 0; padding: 0; }
li { list-style: none; }

.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}

/* 空 src 的 logo / 截图占位处理 */
.img-empty {
  opacity: 0 !important;
}

/* =========================================================
   顶部导航
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 251, 242, .78);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease, box-shadow .3s ease, background .3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 10px 30px rgba(94, 61, 10, .06);
  background: rgba(255, 251, 242, .94);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-mark {
  position: relative;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  overflow: hidden;
  background: radial-gradient(120% 120% at 30% 20%, #FFD75E, var(--yellow-deep));
  box-shadow: 0 6px 16px rgba(245, 166, 28, .28), inset 0 0 0 1px rgba(255, 255, 255, .4);
  flex-shrink: 0;
}

/* Logo 占位图形：白色猫脸 + 红围巾 */
.logo-mark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 46%;
  width: 62%;
  height: 52%;
  transform: translate(-50%, -50%);
  background: #fff;
  border-radius: 46% 46% 44% 44%;
  box-shadow: inset 0 -6px 0 rgba(36, 28, 20, .05);
}

.logo-mark::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 18%;
  width: 40%;
  height: 14%;
  transform: translateX(-50%) rotate(-2deg);
  background: var(--red);
  border-radius: 999px;
}

.logo-mark img {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.logo-mark-sm { width: 40px; height: 40px; border-radius: 12px; }

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .02em;
}

.brand-text small {
  font-size: 9px;
  letter-spacing: .22em;
  color: var(--muted);
  font-weight: 600;
  margin-top: 3px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav a {
  position: relative;
  padding: 10px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-2);
  border-radius: 999px;
  transition: color .25s ease, background .25s ease;
}

.nav a:not(.nav-cta):hover {
  color: var(--ink);
  background: rgba(255, 198, 63, .2);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-left: 10px;
  color: var(--ink) !important;
  background: var(--yellow);
  box-shadow: 0 8px 20px rgba(245, 166, 28, .3);
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}

.nav-cta svg { width: 17px; height: 17px; }

.nav-cta:hover {
  transform: translateY(-2px);
  background: #FFD05A;
  box-shadow: 0 12px 26px rgba(245, 166, 28, .4);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--paper);
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform .28s ease, opacity .2s ease;
}

.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   首屏
   ========================================================= */
.hero {
  position: relative;
  padding: 62px 0 30px;
  overflow: hidden;
}

.hero-deco {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(2px);
}

.hero-deco-1 {
  width: 520px;
  height: 520px;
  right: -170px;
  top: -140px;
  background: radial-gradient(circle at 35% 35%, rgba(255, 198, 63, .5), rgba(255, 198, 63, 0) 68%);
}

.hero-deco-2 {
  width: 340px;
  height: 340px;
  left: -140px;
  bottom: 40px;
  background: radial-gradient(circle at 50% 50%, rgba(232, 64, 42, .12), rgba(232, 64, 42, 0) 70%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px 7px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .8);
  border: 1px solid rgba(245, 166, 28, .32);
  box-shadow: var(--shadow-sm);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
}

.hero-badge b { color: var(--ink); font-weight: 800; }

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(232, 64, 42, .14);
  animation: pulse 2.4s ease-in-out infinite;
}

.badge-sep {
  width: 1px;
  height: 12px;
  background: rgba(36, 28, 20, .18);
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(232, 64, 42, .16); }
  50% { box-shadow: 0 0 0 7px rgba(232, 64, 42, .04); }
}

.hero h1 {
  margin-top: 22px;
  font-size: clamp(38px, 4.7vw, 66px);
  font-weight: 900;
  letter-spacing: -.035em;
  line-height: 1.1;
}

.hero h1 .hl {
  position: relative;
  display: inline-block;
  padding: 0 6px;
  isolation: isolate;
}

.hero h1 .hl::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6%;
  height: 30%;
  z-index: -1;
  border-radius: 6px;
  background: linear-gradient(90deg, rgba(255, 198, 63, .85), rgba(245, 166, 28, .5));
  transform: skewX(-8deg);
}

.hero-desc {
  margin-top: 22px;
  max-width: 540px;
  font-size: 16.5px;
  color: var(--ink-2);
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  height: 54px;
  padding: 0 30px;
  border-radius: 16px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .01em;
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease;
}

.btn svg { width: 20px; height: 20px; }

.btn-primary {
  color: var(--ink);
  background: linear-gradient(135deg, #FFD158, var(--yellow-deep));
  box-shadow: 0 14px 30px rgba(245, 166, 28, .35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(245, 166, 28, .45);
}

.btn-ghost {
  color: var(--ink);
  background: rgba(255, 255, 255, .75);
  border: 1px solid rgba(36, 28, 20, .12);
}

.btn-ghost:hover {
  transform: translateY(-3px);
  border-color: rgba(36, 28, 20, .22);
  background: #fff;
  box-shadow: var(--shadow-sm);
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px dashed rgba(36, 28, 20, .14);
}

.stat {
  padding-right: 34px;
  margin-right: 34px;
  border-right: 1px solid rgba(36, 28, 20, .12);
}

.stat:last-child {
  padding-right: 0;
  margin-right: 0;
  border-right: 0;
}

.stat dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  font-weight: 600;
}

.stat dd {
  margin-top: 4px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
}

/* ---------- 三张截图叠加 ---------- */
.hero-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.shots {
  position: relative;
  width: 100%;
  height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 1400px;
}

.shot {
  position: absolute;
  width: min(232px, 47%);
  aspect-ratio: 9 / 18.4;
  padding: 9px;
  border-radius: 32px;
  background: linear-gradient(160deg, #FFFFFF, #FFF8EA);
  box-shadow: 0 26px 60px rgba(94, 61, 10, .18), 0 2px 0 rgba(255, 255, 255, .9) inset;
  cursor: pointer;
  transform-origin: 50% 92%;
  transition: transform .55s cubic-bezier(.22, .8, .24, 1), box-shadow .55s ease, filter .4s ease;
  will-change: transform;
}

.shot-1 {
  transform: translateX(-58%) rotate(-10deg) scale(.9);
  z-index: 1;
}

.shot-2 {
  transform: translateY(-4%) rotate(1.5deg) scale(1);
  z-index: 2;
}

.shot-3 {
  transform: translateX(58%) rotate(10deg) scale(.9);
  z-index: 1;
}

/* 悬停 / 点击选中：置顶放大 */
.shot.is-active {
  transform: translateY(-12px) rotate(0deg) scale(1.07);
  z-index: 8;
  box-shadow: 0 46px 90px rgba(94, 61, 10, .3), 0 0 0 1px rgba(255, 255, 255, .9);
}

.shots:hover .shot:not(.is-active) {
  filter: saturate(.88) brightness(.97);
}

.shot-screen {
  position: relative;
  height: 100%;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(168deg, #FFF7E6 0%, #FFEFCE 55%, #FFE4B4 100%);
}

.shot-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background: linear-gradient(115deg, rgba(255, 255, 255, .35), transparent 38%);
}

.shot-img {
  position: absolute;
  inset: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.shot-label {
  position: absolute;
  left: 50%;
  bottom: 12px;
  z-index: 4;
  transform: translateX(-50%);
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(36, 28, 20, .72);
  color: #FFEECF;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  white-space: nowrap;
  backdrop-filter: blur(4px);
}

/* 截图占位骨架 */
.shot-mock {
  position: absolute;
  inset: 0;
  z-index: 1;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.mock-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.mock-status i {
  display: block;
  width: 38%;
  height: 4px;
  border-radius: 4px;
  background: rgba(36, 28, 20, .16);
}

.mock-status i:last-child { width: 22%; }

.mock-title {
  font-size: 15px;
  font-weight: 800;
  color: rgba(36, 28, 20, .72);
  letter-spacing: .04em;
}

.mock-search {
  height: 26px;
  border-radius: 8px;
  background: rgba(255, 255, 255, .8);
  box-shadow: inset 0 0 0 1px rgba(36, 28, 20, .06);
}

.mock-tags {
  display: flex;
  gap: 6px;
}

.mock-tags i {
  height: 16px;
  flex: 1;
  border-radius: 999px;
  background: rgba(255, 198, 63, .65);
}

.mock-tags i:nth-child(2) { background: rgba(232, 64, 42, .35); }
.mock-tags i:nth-child(3) { background: rgba(255, 255, 255, .7); }

.mock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
  margin-top: 2px;
}

.mock-grid i {
  aspect-ratio: 3 / 4;
  border-radius: 9px;
  background: linear-gradient(150deg, rgba(245, 166, 28, .55), rgba(232, 64, 42, .28));
}

.mock-grid i:nth-child(2) { background: linear-gradient(150deg, rgba(255, 255, 255, .8), rgba(245, 166, 28, .35)); }
.mock-grid i:nth-child(3) { background: linear-gradient(150deg, rgba(232, 64, 42, .28), rgba(255, 210, 120, .6)); }
.mock-grid i:nth-child(4) { background: linear-gradient(150deg, rgba(255, 255, 255, .75), rgba(232, 64, 42, .2)); }

.mock-lines {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 26px;
}

.mock-lines i {
  height: 5px;
  border-radius: 4px;
  background: rgba(36, 28, 20, .12);
}

.mock-lines i:last-child { width: 62%; }

.mock-reader {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 18px;
}

.mock-reader i {
  height: 5px;
  border-radius: 4px;
  background: rgba(36, 28, 20, .16);
}

.mock-reader i:nth-child(2) { width: 92%; }
.mock-reader i:nth-child(3) { width: 97%; }
.mock-reader i:nth-child(4) { width: 88%; }
.mock-reader i:nth-child(5) { width: 95%; }
.mock-reader i:nth-child(6) { width: 70%; }
.mock-reader i:nth-child(7) { width: 90%; }

.mock-progress {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 26px;
  height: 4px;
  border-radius: 4px;
  background: rgba(36, 28, 20, .12);
  overflow: hidden;
}

.mock-progress::after {
  content: "";
  display: block;
  width: 42%;
  height: 100%;
  border-radius: 4px;
  background: var(--red);
}

.mock-shelf {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 4px;
}

.mock-shelf i {
  aspect-ratio: 1 / 1.35;
  border-radius: 8px;
  background: linear-gradient(155deg, rgba(36, 28, 20, .16), rgba(36, 28, 20, .05));
}

.mock-shelf i:nth-child(odd) { background: linear-gradient(155deg, rgba(245, 166, 28, .5), rgba(255, 198, 63, .2)); }

.shots-hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  font-size: 12.5px;
  color: var(--muted);
}

.shots-hint svg { width: 16px; height: 16px; color: var(--yellow-deep); }

/* =========================================================
   数据条
   ========================================================= */
.trust-bar {
  padding: 8px 0 0;
}

.trust-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 22px 10px;
  border-top: 1px solid rgba(36, 28, 20, .1);
  border-bottom: 1px solid rgba(36, 28, 20, .1);
}

.trust-item {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.trust-item strong {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -.02em;
}

.trust-item span {
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}

/* =========================================================
   通用区块
   ========================================================= */
.section {
  padding: 96px 0;
}

.section-head {
  max-width: 660px;
  margin-bottom: 52px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-kicker {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .22em;
  color: var(--red);
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(28px, 3.4vw, 42px);
  font-weight: 900;
  letter-spacing: -.03em;
}

.section-head h2 .hl {
  position: relative;
  display: inline-block;
  padding: 0 4px;
  isolation: isolate;
}

.section-head h2 .hl::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4%;
  height: 26%;
  z-index: -1;
  border-radius: 4px;
  background: rgba(255, 198, 63, .7);
  transform: skewX(-8deg);
}

.section-head > p {
  margin-top: 16px;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.85;
}

/* =========================================================
   功能特色
   ========================================================= */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  position: relative;
  padding: 32px 28px 30px;
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}

.feature-card::after {
  content: "";
  position: absolute;
  top: -46px;
  right: -46px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 198, 63, .28), transparent 70%);
  opacity: 0;
  transition: opacity .4s ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(245, 166, 28, .34);
}

.feature-card:hover::after { opacity: 1; }

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(140deg, #FFF0C6, #FFDF9A);
  color: #8A5B00;
  margin-bottom: 22px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .7);
}

.feature-icon svg { width: 25px; height: 25px; }

.feature-card:nth-child(2n) .feature-icon {
  background: linear-gradient(140deg, #FFE3DA, #FFC7B8);
  color: var(--red-deep);
}

.feature-card:nth-child(3n) .feature-icon {
  background: linear-gradient(140deg, #FFF6E0, #FFE6B4);
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 800;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.8;
}

/* =========================================================
   用户评价
   ========================================================= */
.reviews {
  position: relative;
  background: linear-gradient(180deg, rgba(255, 245, 223, 0), rgba(255, 245, 223, .9) 18%, rgba(255, 245, 223, .9) 82%, rgba(255, 245, 223, 0));
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.review-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 30px 28px;
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px solid rgba(36, 28, 20, .07);
  box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease;
}

.review-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.review-top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(140deg, #FFD158, var(--yellow-deep));
  color: #3A2700;
  font-size: 18px;
  font-weight: 800;
  box-shadow: 0 6px 14px rgba(245, 166, 28, .26), inset 0 0 0 2px rgba(255, 255, 255, .5);
}

.review-card:nth-child(2) .avatar {
  background: linear-gradient(140deg, #FFB3A4, var(--red));
  color: #fff;
  box-shadow: 0 6px 14px rgba(232, 64, 42, .24), inset 0 0 0 2px rgba(255, 255, 255, .4);
}

.review-card:nth-child(3) .avatar {
  background: linear-gradient(140deg, #FFE6B4, #FFC63F);
  color: #4A3300;
}

.review-user {
  display: flex;
  flex-direction: column;
  line-height: 1.35;
}

.review-user strong { font-size: 15px; font-weight: 800; }
.review-user small { font-size: 12px; color: var(--muted); }

.stars {
  margin-left: auto;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--yellow-deep);
  white-space: nowrap;
}

.review-card p {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-2);
  flex: 1;
}

.review-tag {
  align-self: flex-start;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 198, 63, .18);
  color: #8A5B00;
  font-size: 12px;
  font-weight: 700;
}

/* =========================================================
   常见问题
   ========================================================= */
.faq-inner {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 60px;
  align-items: start;
}

.faq-head {
  position: sticky;
  top: calc(var(--header-h) + 34px);
  margin-bottom: 0;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  font-size: 15px;
  font-weight: 700;
  color: var(--red);
  border-bottom: 1px solid rgba(232, 64, 42, .28);
  padding-bottom: 3px;
  transition: gap .25s ease, border-color .25s ease;
}

.text-link svg { width: 18px; height: 18px; }
.text-link:hover { gap: 12px; border-color: var(--red); }

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border-radius: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 4px 14px rgba(94, 61, 10, .04);
  overflow: hidden;
  transition: border-color .3s ease, box-shadow .3s ease;
}

.faq-item.is-open {
  border-color: rgba(245, 166, 28, .45);
  box-shadow: 0 12px 30px rgba(94, 61, 10, .08);
}

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 21px 24px;
  border: 0;
  background: none;
  font-family: inherit;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.faq-q i {
  position: relative;
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(255, 198, 63, .22);
  transition: background .3s ease, transform .3s ease;
}

.faq-q i::before,
.faq-q i::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.8px;
  border-radius: 2px;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: transform .3s ease, opacity .3s ease;
}

.faq-q i::after { transform: translate(-50%, -50%) rotate(90deg); }

.faq-item.is-open .faq-q i {
  background: var(--yellow);
  transform: rotate(180deg);
}

.faq-item.is-open .faq-q i::after { opacity: 0; }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .38s cubic-bezier(.4, 0, .2, 1);
}

.faq-a p {
  padding: 0 24px 23px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* =========================================================
   下载区域
   ========================================================= */
.download {
  padding: 20px 0 96px;
}

.download-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1.22fr .78fr;
  gap: 48px;
  padding: 58px 54px;
  border-radius: 36px;
  overflow: hidden;
  background:
    radial-gradient(120% 160% at 0% 0%, #FFE07A 0%, #FFCB47 42%, #FFB52A 100%);
  box-shadow: 0 40px 90px rgba(245, 166, 28, .3);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.download-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image: radial-gradient(rgba(255, 255, 255, .5) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(circle at 82% 18%, #000, transparent 62%);
  -webkit-mask-image: radial-gradient(circle at 82% 18%, #000, transparent 62%);
}

.download-glow {
  position: absolute;
  right: -120px;
  top: -140px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .55), transparent 66%);
  pointer-events: none;
}

.download-copy { position: relative; z-index: 1; }

.download-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(36, 28, 20, .1);
  font-size: 12.5px;
  font-weight: 700;
  color: #4A3300;
  letter-spacing: .02em;
}

.download-copy h2 {
  margin-top: 20px;
  font-size: clamp(30px, 3.6vw, 46px);
  font-weight: 900;
  letter-spacing: -.035em;
  color: #2A1D05;
  line-height: 1.18;
}

.download-copy > p {
  margin-top: 16px;
  max-width: 470px;
  font-size: 15.5px;
  line-height: 1.8;
  color: #5A3F0C;
}

.store-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 32px;
  max-width: 560px;
}

.store-btn {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 15px 18px;
  border-radius: 18px;
  transition: transform .28s ease, box-shadow .28s ease, background .28s ease;
}

.store-btn .store-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  flex-shrink: 0;
}

.store-icon svg { width: 24px; height: 24px; }

.store-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.store-text small {
  font-size: 11px;
  letter-spacing: .05em;
  opacity: .68;
  font-weight: 600;
}

.store-text strong {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .01em;
}

.store-arrow {
  margin-left: auto;
  display: inline-flex;
  transition: transform .28s ease;
}

.store-arrow svg { width: 18px; height: 18px; }

.store-btn:hover {
  transform: translateY(-4px);
}

.store-btn:hover .store-arrow { transform: translate(3px, -3px); }

.store-android {
  background: #2A2013;
  color: #FFF6E2;
  box-shadow: 0 16px 34px rgba(42, 32, 19, .3);
}

.store-android .store-icon {
  background: rgba(255, 198, 63, .16);
  color: var(--yellow);
}

.store-android:hover { box-shadow: 0 24px 46px rgba(42, 32, 19, .38); }

.store-ios {
  background: rgba(255, 255, 255, .92);
  color: #2A2013;
  box-shadow: 0 12px 28px rgba(94, 61, 10, .14);
}

.store-ios .store-icon {
  background: rgba(36, 28, 20, .07);
  color: var(--ink);
}

.store-ios:hover {
  background: #fff;
  box-shadow: 0 20px 40px rgba(94, 61, 10, .2);
}

.store-note {
  margin-top: 16px;
  font-size: 12px;
  color: rgba(64, 43, 3, .66);
}

.download-meta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-self: center;
}

.meta-card {
  padding: 24px 26px;
  border-radius: 22px;
  background: rgba(255, 255, 255, .82);
  box-shadow: 0 18px 40px rgba(94, 61, 10, .14);
  backdrop-filter: blur(8px);
}

.meta-label {
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  color: #8A5B00;
}

.meta-value {
  display: block;
  margin-top: 4px;
  font-size: 38px;
  font-weight: 900;
  letter-spacing: -.04em;
  color: #2A1D05;
  line-height: 1.1;
}

.meta-sub {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  color: #7A5A18;
  font-weight: 600;
}

.meta-list {
  display: grid;
  gap: 0;
  padding: 6px 24px;
  border-radius: 20px;
  background: rgba(255, 255, 255, .46);
}

.meta-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  font-size: 13.5px;
  border-bottom: 1px solid rgba(36, 28, 20, .1);
}

.meta-list li:last-child { border-bottom: 0; }
.meta-list span { color: #6B4C0D; }
.meta-list b { font-weight: 800; color: #2A1D05; }

.meta-tip {
  display: flex;
  gap: 10px;
  padding: 14px 18px;
  border-radius: 16px;
  background: rgba(36, 28, 20, .07);
  color: #4A3300;
}

.meta-tip svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 3px; }
.meta-tip p { font-size: 12.5px; line-height: 1.7; }

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  padding: 56px 0 24px;
  border-top: 1px solid rgba(36, 28, 20, .1);
  background: rgba(255, 251, 242, .6);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 60px;
  padding-bottom: 44px;
}

.footer-brand { max-width: 320px; }

.footer-brand > p {
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.8;
}

.footer-links {
  display: flex;
  gap: 76px;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 4px;
}

.footer-col a,
.footer-col span {
  font-size: 13.5px;
  color: var(--muted);
  transition: color .2s ease;
}

.footer-col a:hover { color: var(--red); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 22px;
  border-top: 1px solid rgba(36, 28, 20, .08);
}

.footer-bottom p {
  font-size: 12.5px;
  color: var(--muted);
}

/* 键盘焦点可见性 */
.shot:focus-visible,
.btn:focus-visible,
.store-btn:focus-visible,
.nav a:focus-visible,
.faq-q:focus-visible,
.text-link:focus-visible {
  outline: 3px solid rgba(232, 64, 42, .45);
  outline-offset: 3px;
}

/* =========================================================
   入场动效
   ========================================================= */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s cubic-bezier(.2, .7, .3, 1), transform .7s cubic-bezier(.2, .7, .3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .shot { transition: none; }
  .badge-dot { animation: none; }
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1080px) {
  .feature-grid,
  .review-grid { grid-template-columns: repeat(2, 1fr); }

  .faq-inner { gap: 40px; }

  .download-panel {
    padding: 46px 38px;
    gap: 32px;
  }

  .shots { height: 460px; }
}

@media (max-width: 900px) {
  .hero { padding-top: 44px; }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .hero-copy { text-align: left; }
  .hero-desc { max-width: 100%; }

  .hero-visual { order: 2; }
  .shots { height: 480px; }

  .faq-inner { grid-template-columns: 1fr; }
  .faq-head { position: static; max-width: 100%; margin-bottom: 10px; }

  .download-panel { grid-template-columns: 1fr; }
  .download-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    align-items: stretch;
  }
  .meta-tip { grid-column: 1 / -1; }

  .footer-links { gap: 46px; }
}

@media (max-width: 780px) {
  :root { --header-h: 66px; }

  .container { width: min(100% - 36px, var(--container)); }

  .nav-toggle { display: flex; }

  .nav {
    position: fixed;
    left: 18px;
    right: 18px;
    top: calc(var(--header-h) + 10px);
    z-index: 99;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px;
    border-radius: 22px;
    background: rgba(255, 252, 245, .98);
    border: 1px solid var(--line);
    box-shadow: 0 24px 60px rgba(94, 61, 10, .18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px) scale(.98);
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
  }

  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav a {
    padding: 13px 16px;
    border-radius: 14px;
    font-size: 15px;
  }

  .nav-cta {
    margin: 6px 0 0;
    justify-content: center;
    padding: 14px 16px;
    border-radius: 14px;
  }

  .section { padding: 68px 0; }
  .section-head { margin-bottom: 36px; }

  .hero-stats { margin-top: 30px; padding-top: 20px; }
  .stat { padding-right: 20px; margin-right: 20px; }
  .stat dd { font-size: 16px; }

  .trust-inner {
    grid-template-columns: 1fr 1fr;
    gap: 16px 10px;
  }
  .trust-item { justify-content: flex-start; }

  .feature-grid,
  .review-grid { grid-template-columns: 1fr; }

  .feature-card { padding: 26px 24px; }

  .download { padding-bottom: 68px; }
  .download-panel {
    padding: 34px 24px;
    border-radius: 28px;
  }
  .download-meta { grid-template-columns: 1fr; }

  .footer-inner {
    flex-direction: column;
    gap: 34px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 600px) {
  .shots { height: 410px; }

  .shot {
    width: min(190px, 52%);
    padding: 7px;
    border-radius: 27px;
  }

  .shot-screen { border-radius: 21px; }

  .shot-1 { transform: translateX(-54%) rotate(-10deg) scale(.9); }
  .shot-3 { transform: translateX(54%) rotate(10deg) scale(.9); }

  .shot.is-active { transform: translateY(-8px) rotate(0) scale(1.05); }

  .shots-hint { font-size: 11.5px; }

  .hero h1 { margin-top: 18px; }

  .btn { height: 50px; padding: 0 24px; font-size: 15px; }

  .store-actions { grid-template-columns: 1fr; }
  .store-btn { padding: 14px 16px; }
  .store-btn:hover { transform: none; }

  .meta-value { font-size: 32px; }

  .faq-q { padding: 18px 18px; font-size: 14.5px; }
  .faq-a p { padding: 0 18px 20px; font-size: 14px; }

  .footer-links { gap: 40px; flex-wrap: wrap; }
}

@media (max-width: 400px) {
  .hero-badge { font-size: 11.5px; gap: 7px; }
  .badge-sep { display: none; }
  .hero-badge b { display: none; }
  .stat { padding-right: 14px; margin-right: 14px; }
  .stat dt { font-size: 11px; }
  .stat dd { font-size: 14px; }
  .shots { height: 380px; }
  .shot { width: 168px; }
  .brand-text strong { font-size: 16px; }
}