/* ══════════════════════════════════════════════════════════════════
   Alice Landing Page — style.css
   ══════════════════════════════════════════════════════════════════ */

/* ── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-padding-top: 63px; }

:root {
  --bg:       #FAFAF7;
  --card:     #F5F3EE;
  --border:   #E8E4DC;
  --text:     #1A1714;
  --muted:    #6B6460;
  --blue:     #4A7FA5;
  --gold:     #C9A96E;
  --surface:  #EFEFEB;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.serif { font-family: 'Playfair Display', Georgia, serif; }
.serif-italic { font-family: 'Playfair Display', Georgia, serif; font-style: italic; }

/* ── Nav ───────────────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 48px; height: 64px;
  background: rgba(250,250,247,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
nav.scrolled { border-bottom-color: var(--border); }

.nav-brand {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 22px;
  color: var(--blue);
  letter-spacing: 0.01em;
}

.nav-links {
  display: flex; gap: 32px; list-style: none;
}
.nav-links a {
  font-size: 13px; color: var(--muted);
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-cta {
  font-size: 13px; font-weight: 500;
  padding: 8px 20px; border-radius: 20px;
  background: var(--text); color: var(--bg);
  transition: opacity 0.2s;
}
.nav-cta:hover { opacity: 0.8; }

/* ── Hero ──────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: flex-start;
  overflow: hidden;
  padding-top: 64px;
}

.hero-bg {
  position: absolute; inset: 0;
}
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 20%;
  filter: brightness(0.97);
}
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, var(--bg) 0%, transparent 15%, transparent 70%, var(--bg) 100%),
    linear-gradient(to right, var(--bg) 0%, rgba(250,250,247,0.88) 36%, transparent 60%);
}

.hero-content {
  position: relative; z-index: 2;
  text-align: left;
  max-width: 480px;
  padding: 0 0 0 clamp(32px, 8vw, 120px);
}

.hero-eyebrow {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 14px;
}

.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(44px, 7vw, 80px);
  font-weight: 700;
  font-style: normal;
  line-height: 1.1;
  color: var(--blue);
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.hero-title-sub {
  font-family: 'Playfair Display', serif;
  font-size: clamp(20px, 3vw, 32px);
  font-weight: 500;
  color: var(--text);
  margin-bottom: 20px;
  opacity: 0.7;
}

.hero-subtitle {
  font-family: 'Inter', system-ui, sans-serif;
  font-style: normal;
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--muted);
  margin-bottom: 48px;
  line-height: 1.9;
  letter-spacing: 0.01em;
  max-width: 380px;
}

.hero-friends {
  display: flex;
  align-items: center;
  gap: 0;
  margin-bottom: 32px;
}
.hero-friend-avatar {
  display: block;
  text-decoration: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--bg);
  margin-right: -10px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  transition: transform 0.2s;
  cursor: pointer;
  position: relative;
}
.hero-friend-avatar:last-child { margin-right: 0; }
.hero-friend-avatar:hover { transform: translateY(-4px) scale(1.1); z-index: 10; }
.hero-friend-avatar > img { width: 100%; height: 100%; object-fit: cover; object-position: center top; border-radius: 50%; }

/* ── Hero Friend Card（全局浮动卡片，不受 hero overflow:hidden 限制）──────── */
.hfc-global {
  position: fixed;
  width: 220px;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.18s ease;
  z-index: 9999;
  box-shadow: 0 16px 48px rgba(0,0,0,0.2), 0 0 0 1px rgba(0,0,0,0.05);
}
.hfc-global::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 7px solid transparent;
  border-top-color: #fff;
}
.hfc-global.hfc-visible {
  opacity: 1;
  pointer-events: auto;
}
.hfc-card { display: none; }
.hfc-card.active { display: block; }
.hfc-cover {
  width: 100%;
  height: 110px;
  overflow: hidden;
}
.hfc-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
}
.hfc-body {
  padding: 0 14px 14px;
  display: flex;
  gap: 10px;
  margin-top: -18px;
  position: relative;
}
.hfc-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  border: 2px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.12);
}
.hfc-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.hfc-info {
  flex: 1;
  min-width: 0;
  padding-top: 20px;
}
.hfc-name {
  font-size: 13px;
  font-weight: 600;
  color: #1A1714;
  line-height: 1.3;
}
.hfc-name span {
  font-weight: 400;
  color: #8A8480;
  font-size: 11px;
}
.hfc-role {
  font-size: 11px;
  color: #8A8480;
  margin-top: 1px;
  margin-bottom: 6px;
}
.hfc-desc {
  font-size: 11px;
  color: #4A4542;
  line-height: 1.55;
}


.hero-actions {
  display: flex; gap: 12px; justify-content: flex-start; flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 28px;
  background: var(--text); color: var(--bg);
  font-size: 14px; font-weight: 500;
  transition: transform 0.2s, opacity 0.2s;
}
.btn-primary:hover { transform: translateY(-1px); opacity: 0.85; }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 28px;
  background: rgba(255,255,255,0.18);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--text);
  font-size: 14px; font-weight: 500;
  border: 1px solid rgba(255,255,255,0.35);
  transition: background 0.2s, border-color 0.2s;
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.28);
  border-color: rgba(255,255,255,0.5);
}

.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.hero-scroll span { font-size: 11px; color: var(--muted); letter-spacing: 0.1em; }
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--border), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; } 50% { opacity: 1; }
}

/* ── Quote divider ─────────────────────────────────────────── */
.quote-divider {
  text-align: center;
  padding: 80px 24px;
}
.quote-divider blockquote {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: clamp(18px, 2.4vw, 24px);
  color: var(--text);
  max-width: 600px;
  margin: 0 auto 16px;
  line-height: 1.5;
}
.quote-divider cite {
  font-size: 13px; color: var(--muted);
  font-style: normal;
}

/* ── Section Base ──────────────────────────────────────────── */
section { padding: 100px 24px; }
.container { max-width: 1080px; margin: 0 auto; }
.section-label {
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 12px;
}
.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 600; line-height: 1.2;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 16px; color: var(--muted);
  max-width: 480px; line-height: 1.7;
}

/* ── Features Section ─────────────────────────────────────────── */
.features { background: var(--bg); padding-bottom: 40px; }
.features > .container { margin-bottom: 48px; }

/* ── Hero Evolution Compare ─────────────────────────────────── */
.hero-evolution-compare {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 28px;
  max-width: 340px;
}
.hero-cmp-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 12px;
}
.hero-cmp-row-from {
  background: rgba(0,0,0,0.04);
  border: 1px solid var(--border);
}
.hero-cmp-row-to {
  background: linear-gradient(135deg, #eef5fb 0%, #f5f0fc 100%);
  border: 1px solid rgba(74,127,165,0.2);
}
.hero-cmp-badge {
  flex-shrink: 0;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 20px;
  line-height: 1.6;
}
.hero-cmp-row-from .hero-cmp-badge {
  background: rgba(0,0,0,0.06);
  color: var(--muted);
}
.hero-cmp-row-to .hero-cmp-badge {
  background: rgba(74,127,165,0.12);
  color: var(--blue);
}
.hero-cmp-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}
.hero-cmp-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
}
.hero-cmp-row-from .hero-cmp-label { color: var(--muted); }
.hero-cmp-desc {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
}
.hero-cmp-row-to .hero-cmp-desc { color: var(--blue); opacity: 0.85; }
.hero-cmp-arrow {
  display: flex;
  justify-content: flex-start;
  padding-left: 22px;
  color: var(--muted);
  opacity: 0.35;
}

/* ── Self-Evolution Section ─────────────────────────────────── */
.evolution-section {
  background: var(--text);
  color: var(--bg);
  padding: 120px 24px;
}
.evolution-section .section-label { color: var(--gold); }
.evolution-section .section-title { color: var(--bg); }
.evo-header { margin-bottom: 72px; }
.evo-header-sub {
  font-size: 16px;
  color: rgba(250,250,247,0.55);
  max-width: 560px;
  line-height: 1.8;
  margin-top: 16px;
}

.evo-steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 0;
  margin-bottom: 80px;
}
.evo-step-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin-bottom: 16px;
}
.evo-step-img {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,0.08);
}
.evo-step-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 25%;
  filter: brightness(0.75) saturate(0.9);
}
.evo-step-title {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--bg);
  margin-bottom: 8px;
}
.evo-step-desc {
  font-size: 13px;
  color: rgba(250,250,247,0.5);
  line-height: 1.75;
}
.evo-step-divider {
  color: rgba(250,250,247,0.2);
  padding: 0 20px;
  margin-top: 60px;
  flex-shrink: 0;
}
@media (max-width: 900px) {
  .evo-steps { grid-template-columns: 1fr; }
  .evo-step-divider { display: none; }
}

.evo-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 72px;
}
@media (max-width: 900px) {
  .evo-detail { grid-template-columns: 1fr; }
}

.evo-demo-label {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(250,250,247,0.3);
  margin-bottom: 16px;
  display: block;
}

.evo-demo {
  background: #1a1d21;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
  position: relative;
  overflow: hidden;
}
.evo-demo::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
}

.evo-demo-msg {
  font-size: 13px;
  line-height: 1.65;
  padding: 10px 14px;
  border-radius: 14px;
  max-width: 82%;
}
.evo-msg-user {
  background: #2c3038;
  color: rgba(255,255,255,0.88);
  align-self: flex-end;
  border-radius: 14px 4px 14px 14px;
}
.evo-msg-alice {
  background: transparent;
  color: rgba(255,255,255,0.62);
  align-self: flex-start;
  border-radius: 4px 14px 14px 14px;
  padding: 8px 2px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.evo-thinking {
  font-size: 10px;
  color: #c9a96e;
  background: rgba(201,169,110,0.12);
  padding: 2px 8px;
  border-radius: 8px;
  white-space: nowrap;
  animation: blink 1.5s ease-in-out infinite;
  border: 1px solid rgba(201,169,110,0.18);
}
@keyframes blink { 0%,100%{opacity:0.5} 50%{opacity:1} }

.evo-demo-result {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #1f2328;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  padding: 12px 14px;
  align-self: flex-start;
  max-width: 92%;
}
.evo-result-icon {
  width: 36px; height: 36px;
  background: #262b31;
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #7bb8d4;
  flex-shrink: 0;
}
.evo-result-title {
  font-size: 13px; font-weight: 600;
  color: rgba(255,255,255,0.88);
}
.evo-result-sub {
  font-size: 11px;
  color: rgba(255,255,255,0.32);
  margin-top: 3px;
}
.evo-result-check {
  margin-left: auto;
  width: 22px; height: 22px;
  background: rgba(74,222,128,0.15);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.evo-result-check svg {
  width: 12px; height: 12px;
  color: #4ade80;
}

.evo-scope-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}
.evo-scope-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.evo-scope-icon {
  width: 36px; height: 36px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: rgba(250,250,247,0.5);
  flex-shrink: 0;
}
.evo-scope-title {
  font-size: 13px; font-weight: 600;
  color: rgba(250,250,247,0.9);
  margin-bottom: 3px;
}
.evo-scope-desc {
  font-size: 12px;
  color: rgba(250,250,247,0.4);
  line-height: 1.6;
}

.evo-guarantees {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
}
.evo-guarantee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.evo-guarantee {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 12px;
  color: rgba(250,250,247,0.4);
  line-height: 1.5;
}
.evo-guarantee svg { flex-shrink: 0; color: var(--gold); margin-top: 2px; }

.evo-philosophy {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 64px;
}
.evo-philosophy-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
@media (max-width: 768px) {
  .evo-philosophy-inner { grid-template-columns: 1fr; gap: 32px; }
}
.evo-philosophy-q {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: clamp(18px, 2.5vw, 26px);
  color: rgba(250,250,247,0.8);
  line-height: 1.5;
  position: relative;
}
.evo-philosophy-icon {
  font-size: 80px;
  line-height: 0.5;
  color: var(--gold);
  opacity: 0.3;
  display: block;
  margin-bottom: 16px;
  font-family: Georgia, serif;
}
.evo-philosophy-a {
  font-size: 15px;
  color: rgba(250,250,247,0.5);
  line-height: 1.9;
}
.evo-philosophy-highlight {
  margin-top: 20px;
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 18px;
  color: var(--gold);
}

/* ── Evolution Screenshots ──────────────────────────────────── */
.evo-screenshots {
  margin: 0 auto 56px;
  max-width: 860px;
}
.evo-scr-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
}
.evo-scr-card {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: rgba(250,250,247,0.5);
  cursor: pointer;
  transition: all 0.25s;
}
.evo-scr-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); color: rgba(250,250,247,0.8); }
.evo-scr-card.active { background: rgba(212,175,96,0.1); border-color: rgba(212,175,96,0.35); color: var(--gold); }
.evo-scr-card-icon { width: 36px; height: 36px; border-radius: 10px; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.evo-scr-card.active .evo-scr-card-icon { background: rgba(212,175,96,0.12); }
.evo-scr-card-text { display: flex; flex-direction: column; gap: 2px; }
.evo-scr-card-title { font-size: 14px; font-weight: 600; line-height: 1.3; }
.evo-scr-card-desc { font-size: 12px; opacity: 0.6; line-height: 1.4; }
.evo-tab-badge {
  display: inline-block;
  padding: 1px 7px;
  border-radius: 10px;
  background: rgba(255,255,255,0.1);
  font-size: 11px;
  color: rgba(250,250,247,0.65);
  margin-left: 2px;
}
.evo-scr-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  background: #0a0a0a;
}
.evo-scr-stack {
  position: relative;
}
.evo-scr-stack .evo-scr-sizer {
  visibility: hidden;
  pointer-events: none;
  display: block;
  width: 100%;
}
.evo-scr-item {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  opacity: 0;
  transition: opacity 0.7s ease;
  pointer-events: none;
}
.evo-scr-item.active {
  opacity: 1;
  pointer-events: auto;
}
.evo-scr-item img {
  width: 100%;
  height: auto;
  display: block;
}
.evo-scr-caption {
  padding: 12px 20px;
  font-size: 13px;
  color: rgba(250,250,247,0.5);
  text-align: center;
  background: rgba(0,0,0,0.4);
}

/* ── Persona Section ───────────────────────────────────────── */
.persona { background: var(--card); }

.persona-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.persona-images {
  position: relative; height: 520px;
  margin-left: -80px;
}
.persona-img-main {
  position: absolute;
  top: 0; left: 0; right: 60px; bottom: 60px;
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.12);
}
.persona-img-main img {
  width: 100%; height: 100%; object-fit: cover;
  object-position: center 20%;
  transform: scaleX(-1);
}
.persona-img-sub {
  position: absolute;
  bottom: 0; right: -20px;
  width: 50%; aspect-ratio: 4/3;
  border-radius: 12px; overflow: hidden;
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
  border: 4px solid var(--bg);
}
.persona-img-sub img {
  width: 100%; height: 100%; object-fit: cover;
  object-position: center 30%;
}

.persona-name {
  font-family: 'Playfair Display', serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--blue);
  line-height: 1.25;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.persona-meta {
  font-size: 13px; color: var(--muted); margin-bottom: 32px;
}
.persona-quote {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 20px;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 32px;
  padding-left: 20px;
  border-left: 2px solid var(--gold);
}
.persona-desc {
  font-size: 15px; color: var(--muted);
  line-height: 1.8; margin-bottom: 28px;
}

/* ── 卖点三条 ── */
.persona-selling-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 28px;
}
.persona-sp {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.persona-sp-icon {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(74,127,165,0.08);
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
.persona-sp-icon svg {
  width: 18px; height: 18px;
  stroke: #4A7FA5;
}
.persona-sp-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 3px;
}
.persona-sp-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.65;
}
.persona-tags {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.persona-tag {
  font-size: 12px; padding: 5px 12px;
  border-radius: 20px; border: 1px solid var(--border);
  color: var(--muted); background: var(--bg);
}

/* ── Team ──────────────────────────────────────────────────── */
.team { background: var(--bg); }
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
}
.team-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}
.team-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}
.team-card-cover-wrap {
  position: relative;
  width: 100%; height: 120px;
  overflow: hidden;
}
.team-card-cover-wrap::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 48px;
  background: linear-gradient(to bottom, transparent, white);
  pointer-events: none;
}
.team-card-cover {
  width: 100%; height: 100%;
  object-fit: cover;
}
.team-card-body {
  padding: 16px;
  position: relative;
}
.team-card-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid white;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  position: absolute;
  top: -28px; left: 16px;
}
.team-card-avatar img { width: 100%; height: 100%; object-fit: cover; }
.team-card-info { padding-top: 24px; }
.team-card-name {
  font-size: 14px; font-weight: 600; color: var(--text);
  margin-bottom: 2px;
}
.team-card-name span { font-weight: 400; color: var(--muted); font-size: 12px; margin-left: 4px; }
.team-card-role {
  font-size: 11px; color: var(--muted);
  margin-bottom: 8px;
}
.team-card-desc {
  font-size: 12px; color: var(--muted);
  line-height: 1.6;
}
@media (max-width: 768px) {
  .team-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Providers ─────────────────────────────────────────────── */
.providers { background: var(--bg); }
.providers-sub { text-align: center; max-width: 100%; }

.providers-grid {
  display: flex; flex-wrap: wrap;
  gap: 12px; justify-content: center;
  margin-top: 48px;
}
.provider-chip {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 13px; font-weight: 500;
  transition: border-color 0.2s, transform 0.2s;
}
.provider-chip:hover { border-color: var(--blue); transform: translateY(-2px); }
.provider-dot {
  width: 8px; height: 8px; border-radius: 50%;
}

.providers-note {
  text-align: center; margin-top: 32px;
  font-size: 13px; color: var(--muted);
}

.provider-chip-featured {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 24px;
  border: 1.5px solid rgba(99,102,241,0.55);
  background: rgba(99,102,241,0.08);
  font-size: 13px; font-weight: 600;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
  position: relative;
}
.provider-chip-featured:hover {
  border-color: #6366f1;
  background: rgba(99,102,241,0.14);
  transform: translateY(-2px);
  color: inherit;
  text-decoration: none;
}
.provider-chip-featured .chip-badge {
  display: inline-flex; align-items: center;
  background: #6366f1; color: #fff;
  font-size: 10px; font-weight: 700;
  padding: 1px 6px; border-radius: 10px;
  letter-spacing: 0.03em;
  line-height: 1.6;
}
.provider-chip-icon {
  width: 16px; height: 16px;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

/* ── Gallery Row ───────────────────────────────────────────── */
.gallery-section { padding: 0; overflow: hidden; }
.gallery-row {
  display: flex; gap: 0;
  height: 320px;
}
.gallery-item {
  flex: 1; overflow: hidden; position: relative;
  transition: flex 0.5s ease;
  cursor: pointer;
}
.gallery-item:hover { flex: 1.6; }
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.15);
  transform-origin: center center;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.1); }
.gallery-item-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 16px;
  background: linear-gradient(to top, rgba(0,0,0,0.5) 0%, transparent 100%);
  color: white; font-size: 12px;
  opacity: 0; transition: opacity 0.3s;
}
.gallery-item:hover .gallery-item-caption { opacity: 1; }

/* ── CTA ───────────────────────────────────────────────────── */
.cta-section {
  background: var(--text);
  padding: 120px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: url('https://img.alice.miyang.cn/illustrations/life_wide/life_onboarding_teahouse.jpg') center 30% / cover no-repeat;
  opacity: 0.06;
}
.cta-inner { position: relative; z-index: 1; }
.cta-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 600;
  color: var(--bg);
  margin-bottom: 16px;
  line-height: 1.2;
}
.cta-title em { font-style: italic; color: #C9A96E; }
.cta-sub {
  font-size: 16px; color: rgba(250,250,247,0.55);
  margin-bottom: 48px;
}
.btn-cta {
  position: relative;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px; border-radius: 32px;
  background: var(--bg); color: var(--text);
  font-size: 15px; font-weight: 500;
  transition: transform 0.2s, opacity 0.2s, box-shadow 0.2s;
}
.btn-cta:hover { transform: translateY(-2px); opacity: 0.92; }

.cta-download-group {
  display: flex; gap: 20px; justify-content: center;
  align-items: stretch; flex-wrap: wrap;
  margin-bottom: 20px;
}

.btn-cta-primary {
  background: #FAFAF7;
  color: #1a1a18;
  box-shadow: 0 0 0 0 rgba(250,250,247,0);
  flex-direction: column; align-items: flex-start;
  padding: 18px 32px;
  gap: 4px;
  min-width: 200px;
}
.btn-cta-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(250,250,247,0.15);
  opacity: 1;
}
.btn-cta-primary .btn-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 600;
}
.btn-cta-primary .btn-hint {
  font-size: 11px; font-weight: 400;
  color: #888880;
  padding-left: 26px;
  letter-spacing: 0.02em;
}

.btn-cta-secondary {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.18);
  color: rgba(255,255,255,0.75);
  flex-direction: column; align-items: flex-start;
  padding: 18px 32px;
  gap: 4px;
  min-width: 200px;
}
.btn-cta-secondary:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.9);
  opacity: 1;
  transform: translateY(-2px);
}
.btn-cta-secondary .btn-label {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 500;
}
.btn-cta-secondary .btn-hint {
  font-size: 11px;
  color: rgba(255,255,255,0.35);
  padding-left: 26px;
  letter-spacing: 0.02em;
}

.download-divider {
  display: flex; align-items: center;
  color: rgba(255,255,255,0.2);
  font-size: 12px; padding: 0 4px;
  align-self: center;
}

.cta-chip-note {
  font-size: 11px; color: rgba(255,255,255,0.3);
  letter-spacing: 0.02em;
  margin-top: 4px;
}
.hero-chip-note {
  font-size: 11px; color: var(--muted);
  margin-top: 12px; letter-spacing: 0.01em;
}
.hero-download-stats {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 14px;
  font-size: 13px; color: var(--muted);
  opacity: 0;
  transition: opacity 0.6s ease;
}
.hero-download-stats.visible { opacity: 1; }
.hero-download-stats svg { flex-shrink: 0; }
.hero-download-stats .stat-num {
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.fictional-tag {
  font-family: 'Inter', sans-serif;
  font-size: 10px; font-weight: 500;
  font-style: normal;
  color: var(--muted);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  letter-spacing: 0.05em;
  vertical-align: middle;
  margin-left: 6px;
}

.startup-tip {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 12px;
  font-size: 12px;
  color: rgba(255,255,255,0.55);
}
.startup-cmd-wrap {
  display: inline-flex; align-items: center; gap: 6px;
}
.startup-cmd {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: rgba(255,255,255,0.85);
  background: rgba(0,0,0,0.25);
  padding: 3px 8px;
  border-radius: 6px;
  letter-spacing: 0.01em;
}
.copy-btn {
  background: none; border: none; cursor: pointer;
  color: rgba(255,255,255,0.5);
  padding: 3px 5px; border-radius: 5px;
  transition: color 0.2s, background 0.2s;
  display: inline-flex; align-items: center;
}
.copy-btn:hover { color: rgba(255,255,255,0.9); background: rgba(255,255,255,0.1); }

.qr-trigger {
  position: relative;
  display: inline-flex;
}
.btn-cta-qr {
  cursor: pointer;
  border: none;
  font-family: inherit;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.85);
}
.btn-cta-qr:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}
.qr-popup {
  position: absolute;
  bottom: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background: rgba(255,255,255,0.72);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.14), 0 2px 8px rgba(0,0,0,0.08);
  text-align: center;
  width: 188px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s, transform 0.22s;
}
.qr-popup::after {
  content: '';
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: rgba(255,255,255,0.72);
}
.qr-popup img {
  width: 148px; height: 148px;
  object-fit: cover; border-radius: 10px;
  display: block; margin: 0 auto 10px;
}
.qr-popup p {
  font-size: 13px; font-weight: 600;
  color: #1a1714; margin-bottom: 4px;
}
.qr-popup span {
  font-size: 11px; color: #8a7f78;
  line-height: 1.5; display: block;
}
.qr-trigger:hover .qr-popup {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* ── Footer ────────────────────────────────────────────────── */
footer {
  background: var(--text);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 40px 48px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-brand {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 20px; color: var(--blue);
}
.footer-links {
  display: flex; gap: 24px; list-style: none;
}
.footer-links a {
  font-size: 13px; color: rgba(250,250,247,0.4);
  transition: color 0.2s;
}
.footer-links a:hover { color: rgba(250,250,247,0.8); }
.footer-copy {
  font-size: 12px; color: rgba(250,250,247,0.25);
}

.nav-changelog-link {
  position: relative;
}
.nav-changelog-link::after {
  content: 'NEW';
  position: absolute;
  top: -8px; right: -24px;
  font-size: 8px; font-weight: 700; letter-spacing: 0.06em;
  background: var(--blue); color: #fff;
  padding: 1px 4px; border-radius: 4px;
  line-height: 1.6;
}

.changelog-loading {
  text-align: center;
  padding: 40px 0;
  font-size: 13px;
  color: var(--muted);
}

/* ── Changelog Drawer ───────────────────────────────────────── */
.cl-overlay {
  position: fixed; inset: 0; z-index: 900;
  background: rgba(26, 23, 20, 0.45);
  backdrop-filter: blur(4px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.cl-overlay.open { opacity: 1; pointer-events: auto; }

.cl-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 901;
  width: min(680px, 92vw);
  background: var(--bg);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.32, 0, 0.15, 1);
  box-shadow: -20px 0 60px rgba(0,0,0,0.12);
}
.cl-drawer.open { transform: translateX(0); }

.cl-drawer-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: 28px 28px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.cl-drawer-label {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); display: block; margin-bottom: 4px;
}
.cl-drawer-title {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 22px; color: var(--blue);
}
.cl-close {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface); border: none; border-radius: 8px;
  cursor: pointer; color: var(--muted);
  transition: background 0.2s, color 0.2s;
  flex-shrink: 0; margin-top: 4px;
}
.cl-close:hover { background: var(--border); color: var(--text); }

.cl-drawer-body {
  flex: 1; overflow-y: auto;
  padding: 0 28px 40px;
  scroll-behavior: smooth;
}
.cl-drawer-body::-webkit-scrollbar { width: 4px; }
.cl-drawer-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.cl-md h2 {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 15px; font-weight: 700;
  color: var(--text);
  margin: 32px 0 16px;
  padding: 20px 0 14px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap;
}
.cl-md h2:first-child { margin-top: 20px; }
.cl-ver-badge {
  font-size: 11px; font-weight: 700; letter-spacing: 0.04em;
  background: var(--text); color: var(--bg);
  padding: 2px 8px; border-radius: 6px;
  white-space: nowrap;
}
.cl-ver-badge.wip { background: var(--gold); color: var(--text); }
.cl-ver-date {
  font-size: 11px; font-weight: 400; color: var(--muted);
}
.cl-md h3 {
  font-size: 12px; font-weight: 600; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted);
  margin: 20px 0 10px;
}
.cl-md h4 {
  font-size: 13px; font-weight: 600; color: var(--text);
  margin: 14px 0 6px;
}
.cl-md ul {
  list-style: none; padding: 0; margin: 0 0 8px;
}
.cl-md ul li {
  font-size: 13px; color: var(--muted);
  line-height: 1.75;
  padding-left: 14px;
  position: relative;
}
.cl-md ul li::before {
  content: '\00B7';
  position: absolute; left: 0;
  color: var(--border);
}
.cl-md ul li ul { margin-top: 2px; }
.cl-md ul li ul li { font-size: 12px; padding-left: 14px; }
.cl-md strong { color: var(--text); font-weight: 600; }
.cl-md code {
  font-family: ui-monospace, 'SF Mono', Consolas, monospace;
  font-size: 11px; background: var(--surface);
  border: 1px solid var(--border);
  padding: 1px 5px; border-radius: 4px;
  color: var(--text);
}
.cl-md hr { display: none; }
.cl-md p { display: none; }
.cl-md > p:first-child { display: none; }
.cl-idea-link {
  font-family: ui-monospace, 'SF Mono', Consolas, monospace;
  font-size: 11px; font-weight: 600;
  color: var(--blue); text-decoration: none;
  background: rgba(74,127,165,0.08);
  padding: 1px 6px; border-radius: 4px;
  display: inline-flex; align-items: center;
  transition: background 0.2s;
}
.cl-idea-link:hover { background: rgba(74,127,165,0.18); text-decoration: none; }
.cl-user-link {
  font-size: 11px; font-weight: 600;
  color: #059669; text-decoration: none;
  background: rgba(5,150,105,0.10);
  padding: 1px 6px; border-radius: 4px;
  display: inline-flex; align-items: center; gap: 2px;
  transition: background 0.15s;
}
.cl-user-link:hover { background: rgba(5,150,105,0.18); text-decoration: none; }
.cl-load-more {
  text-align: center; padding: 20px 0 10px;
  font-size: 12px; color: var(--muted);
}

/* ── Scroll Fade In ────────────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  section { padding: 72px 20px; }

  /* Hero */
  .hero { min-height: auto; padding-top: 64px; padding-bottom: 40px; align-items: flex-start; }
  .hero-content { max-width: 100%; padding: 40px 20px 0; }
  .hero-subtitle { max-width: 100%; }
  .hero-bg img { object-position: 70% 20%; }
  .hero-bg::after {
    background:
      linear-gradient(to bottom, var(--bg) 0%, rgba(250,250,247,0.6) 20%, rgba(250,250,247,0.4) 50%, var(--bg) 100%),
      linear-gradient(to right, var(--bg) 0%, rgba(250,250,247,0.75) 50%, rgba(250,250,247,0.3) 100%);
  }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 10px; }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary { text-align: center; justify-content: center; }
  .hero-evolution-compare { max-width: 100%; }
  .hero-scroll { display: none; }
  .hero-chip-note { font-size: 10px; }
  .hero-friends { flex-wrap: wrap; }

  /* Persona */
  .persona-inner { grid-template-columns: 1fr; gap: 40px; }
  .persona-images { height: 320px; }
  .gallery-row { height: 200px; }

  /* Evolution */
  .evo-detail { grid-template-columns: 1fr; gap: 32px; }
  .evo-guarantee-grid { grid-template-columns: 1fr; }
  .evo-scr-tabs { flex-direction: column; gap: 8px; }
  .evo-scr-card { padding: 12px 16px; }
  .evo-scr-card-icon { width: 32px; height: 32px; }
  .evo-scr-card-title { font-size: 13px; }
  .evo-scr-card-desc { font-size: 11px; }
  .evolution-section { padding: 72px 20px; }

  /* Providers / Model Wall */
  .providers-grid { gap: 8px; margin-top: 32px; }
  .provider-chip { padding: 8px 14px; font-size: 12px; }
  .provider-chip-featured { padding: 8px 14px; font-size: 12px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }

  footer { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 36px; }
  .hero-title-sub { font-size: 18px; }
  .hero-content { padding: 32px 16px 0; }
  .hero-friend-avatar { width: 30px; height: 30px; }
  .hero-cmp-row { padding: 8px 10px; }
  .hero-cmp-label { font-size: 11px; }
  .hero-cmp-desc { font-size: 10px; }

  .evolution-section { padding: 56px 16px; }
  .evo-header { margin-bottom: 48px; }
  .evo-step-title { font-size: 17px; }
  .evo-demo { padding: 16px 14px; }
  .evo-msg { max-width: 95%; }
  .evo-scope-grid { grid-template-columns: 1fr; }
  .evo-philosophy-inner { gap: 24px; }

  .providers-grid { gap: 6px; }
  .provider-chip { padding: 6px 10px; font-size: 11px; border-radius: 18px; }
  .provider-chip-featured { padding: 6px 10px; font-size: 11px; border-radius: 18px; }
  .provider-dot { width: 6px; height: 6px; }

  .persona-images { height: 240px; }
  .persona-img-main { right: 30px; bottom: 30px; }
  .persona-img-sub { width: 50%; }

  footer { padding: 32px 16px; gap: 12px; }
}

/* ── Gallery Section ──────────────────────────────────────── */
.gallery-section {
  padding: 80px 0;
  background: linear-gradient(180deg, var(--bg) 0%, #F5F3EE 50%, var(--bg) 100%);
}

.gallery-home-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.gh-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.25s;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}
.gh-card:hover {
  border-color: #D0C9BC;
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.06);
}

.gh-card-image img {
  width: 100%;
  display: block;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.gh-card-quote {
  padding: 32px 24px;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 18px;
  font-style: italic;
  line-height: 1.5;
  color: var(--text);
  position: relative;
}
.gh-card-quote::before {
  content: '\201C';
  position: absolute;
  top: 8px;
  left: 14px;
  font-size: 42px;
  color: var(--blue);
  opacity: 0.18;
  font-family: 'Playfair Display', Georgia, serif;
}

.gh-card-body {
  padding: 14px 20px 18px;
}

.gh-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.gh-card-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
}

.gh-card-type {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: 8px;
  font-size: 10px;
  font-weight: 600;
  background: rgba(74,127,165,0.1);
  color: var(--blue);
}

.gh-card-like {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.gh-card-like svg {
  width: 12px;
  height: 12px;
}

.gallery-more-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--blue);
  transition: opacity 0.2s;
}
.gallery-more-link:hover {
  opacity: 0.75;
}

@media (max-width: 900px) {
  .gallery-home-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .gallery-section { padding: 56px 16px; }
  .gallery-home-grid { grid-template-columns: 1fr; }
}

/* ── Reviews Section ──────────────────────────────────────────────── */
.reviews-section {
  background: var(--bg);
  padding: 80px 24px;
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1080px;
  margin: 0 auto;
}
.review-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.review-card:hover {
  border-color: var(--gold);
  box-shadow: 0 4px 24px rgba(201,169,110,0.08);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 10px;
}
.review-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1.5px solid var(--border);
}
.review-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.review-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.review-upvotes {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  color: var(--muted);
  flex-shrink: 0;
}
.review-upvotes svg {
  color: #3baf79;
}
.review-content {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
  opacity: 0.82;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.reviews-watcha-link {
  display: inline-flex;
  align-items: center;
  vertical-align: middle;
  margin: 0 2px;
}
.reviews-watcha-logo {
  height: 18px;
  width: auto;
  vertical-align: middle;
  opacity: 0.75;
  transition: opacity 0.2s;
}
.reviews-watcha-link:hover .reviews-watcha-logo {
  opacity: 1;
}
a.review-card {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  display: flex;
}
/* 5卡片 3列布局时，第4、5张在第2行居中 */
@media (min-width: 961px) {
  .review-card:nth-child(4) { grid-column: 1; }
  .review-card:nth-child(5) { grid-column: 2; }
}
@media (max-width: 960px) {
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .review-card:nth-child(4),
  .review-card:nth-child(5) { grid-column: auto; }
}
@media (max-width: 640px) {
  .reviews-section { padding: 60px 16px; }
  .reviews-grid { grid-template-columns: 1fr; }
}