/* 平行岛AI — 夜间聊天工作台：暗黑切角框架 + 硬阴影工具台 */
:root {
  --bg: #0a0712;
  --bg-2: #0e0918;
  --panel: #150e24;
  --panel-2: #1b1230;
  --line: rgba(196, 160, 255, 0.14);
  --line-mid: rgba(196, 160, 255, 0.30);
  --line-accent: rgba(176, 107, 255, 0.60);
  --accent: #b06bff;
  --accent-2: #ff5cc8;
  --soft: #d7b3ff;
  --text: #f3edfb;
  --muted: #a998c6;
  --ink: #08050e;
  --hard-shadow: 7px 7px 0 rgba(0, 0, 0, 0.55), 7px 7px 0 1px rgba(176, 107, 255, 0.22);
  --hard-shadow-sm: 4px 4px 0 rgba(0, 0, 0, 0.5), 4px 4px 0 1px rgba(176, 107, 255, 0.2);
  --radius: 4px;
  --wrap: min(1240px, calc(100% - 2.5rem));
  --font-display: "Chakra Petch", "Noto Sans SC", sans-serif;
  --font-body: "Manrope", "Noto Sans SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(1100px 560px at 82% -8%, rgba(255, 92, 200, 0.13), transparent 55%),
    radial-gradient(900px 520px at 8% 18%, rgba(124, 58, 237, 0.20), transparent 52%),
    linear-gradient(180deg, #0d0819 0%, var(--bg) 42%, #090612 100%);
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }

/* 全屏细边框（模版18） */
.page-frame {
  pointer-events: none;
  position: fixed;
  inset: 10px;
  z-index: 60;
  border: 1px solid var(--line);
  box-shadow: inset 0 0 0 6px rgba(10, 7, 18, 0.35);
}
.page-frame::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(176, 107, 255, 0.16);
}

.wrap { width: var(--wrap); margin-inline: auto; }
.narrow { max-width: 880px; }

/* 切角标记 */
.corner { position: absolute; inset: 0; pointer-events: none; }
.corner::before, .corner::after {
  content: "";
  position: absolute;
  width: 13px;
  height: 13px;
  border-color: var(--soft);
  border-style: solid;
  opacity: 0.9;
}
.corner::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.corner::after { right: -1px; bottom: -1px; border-width: 0 2px 2px 0; }

/* 面板框架 */
.frame {
  position: relative;
  border: 1px solid var(--line);
  background: rgba(21, 14, 36, 0.72);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.38rem 0.75rem;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  font-weight: 600;
  color: var(--soft);
}

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(10, 7, 18, 0.82);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.25s ease;
}
.site-header.is-stuck {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45), 0 1px 0 rgba(176, 107, 255, 0.18);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 1rem;
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; font-family: var(--font-display); font-weight: 700; font-size: 1.18rem; }
.brand img { border-radius: 9px; border: 1px solid var(--line-mid); }
.brand-txt b { color: var(--accent); font-weight: 700; }

.site-nav { display: flex; align-items: center; gap: 1.3rem; }
.site-nav a { font-size: 0.92rem; color: var(--muted); transition: color 0.2s ease; }
.site-nav a:hover { color: var(--text); }
.nav-cta {
  padding: 5px !important;
  border: 1px solid var(--line-mid) !important;
  background: rgba(10, 7, 18, 0.35) !important;
  color: var(--text) !important;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); place-items: center; gap: 5px; flex-direction: column; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text); }

.m-menu {
  display: none;
  position: fixed;
  top: 68px;
  left: 10px;
  right: 10px;
  z-index: 55;
  flex-direction: column;
  border: 1px solid var(--line-mid);
  background: rgba(14, 9, 24, 0.97);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.6);
  padding: 0.5rem;
}
.m-menu.is-open { display: flex; }
.m-menu a { padding: 0.85rem 0.9rem; color: var(--muted); border: 1px solid transparent; }
.m-menu a:hover { border-color: var(--line); background: rgba(176, 107, 255, 0.08); color: var(--text); }
.m-menu .m-cta { margin-top: 0.3rem; text-align: center; border-color: var(--line-accent); color: var(--soft); }

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 3.6rem 0 3.2rem;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(176, 107, 255, 0.07), transparent 44%),
    radial-gradient(680px 360px at 84% 16%, rgba(255, 92, 200, 0.12), transparent 60%);
}
.grid-glow {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(176, 107, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 107, 255, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(900px 500px at 70% 20%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(900px 500px at 70% 20%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.92fr);
  gap: 2.8rem;
  align-items: center;
}
.hero-copy { max-width: 35rem; }

.chip-frame {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.42rem 0.9rem;
  margin-bottom: 1.1rem;
  font-size: 0.82rem;
  color: var(--soft);
}
.dot-live {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 0 0 rgba(255, 92, 200, 0.6);
  animation: pulse 1.8s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 92, 200, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(255, 92, 200, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 92, 200, 0); }
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3.4rem, 7.6vw, 6rem);
  line-height: 0.95;
  letter-spacing: 0.01em;
  background: linear-gradient(180deg, #ffffff 8%, #e4c8ff 52%, var(--accent) 82%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: title-in 0.9s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
.hero-title span { color: var(--accent-2); -webkit-text-fill-color: var(--accent-2); }
@keyframes title-in {
  from { opacity: 0; transform: translateY(22px) scale(0.97); filter: blur(6px); }
  to { opacity: 1; transform: none; filter: none; }
}
.hero-lead { margin: 1rem 0 0.55rem; font-size: clamp(1.06rem, 2vw, 1.32rem); font-weight: 700; letter-spacing: 0.02em; }
.hero-desc { margin: 0 0 0.7rem; max-width: 35rem; color: var(--muted); font-size: 0.97rem; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.4rem; }

.btn-shell {
  display: inline-flex;
  padding: 5px;
  border: 1px solid var(--line-mid);
  background: rgba(10, 7, 18, 0.4);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.btn-shell:hover { border-color: var(--line-accent); transform: translate(-1px, -1px); }
.btn-shell-ghost { border-color: var(--line); }
.btn-shell-lg { padding: 6px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px;
  padding: 0.65rem 1.25rem;
  border: 1px solid transparent;
  font-weight: 700;
  font-size: 0.94rem;
  white-space: nowrap;
}
.btn-primary {
  color: #fff;
  border-color: rgba(215, 179, 255, 0.4);
  background: linear-gradient(135deg, rgba(176, 107, 255, 0.85), rgba(255, 92, 200, 0.72));
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
}
.btn-ghost { border-color: var(--line); background: rgba(27, 18, 48, 0.7); color: var(--muted); }
.btn-shell:hover .btn-ghost { color: var(--text); }
.btn-lg { min-height: 52px; padding-inline: 1.7rem; font-size: 1.02rem; }

.hero-meta {
  margin: 1.4rem 0 0;
  display: grid;
  gap: 0.5rem;
  max-width: 26rem;
}
.hero-meta li {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--line);
  background: rgba(10, 7, 18, 0.5);
  color: var(--muted);
  font-size: 0.88rem;
}
.hero-meta strong { color: var(--text); font-weight: 700; min-width: 4.6rem; }

/* Hero 双机工作台框 */
.hero-stage { display: flex; align-items: center; justify-content: flex-end; min-width: 0; }
.bench-shots {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: min(100%, 452px);
  padding: 38px 14px 14px;
  border: 1px solid var(--line-mid);
  background:
    linear-gradient(rgba(176, 107, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 107, 255, 0.05) 1px, transparent 1px),
    rgba(12, 8, 22, 0.62);
  background-size: 26px 26px, 26px 26px, auto;
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.03),
    10px 10px 0 rgba(0, 0, 0, 0.45),
    10px 10px 0 1px rgba(176, 107, 255, 0.18);
}
.bench-tag {
  position: absolute;
  top: 10px;
  left: 14px;
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--soft);
}
.hardshot {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: #000;
  overflow: hidden;
}
.hardshot img { width: 100%; height: auto; aspect-ratio: 230 / 498; object-fit: cover; object-position: top center; display: block; }

/* 数据条 */
.stat-strip {
  position: relative;
  z-index: 1;
  margin-top: 2.6rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line-mid);
  background: rgba(15, 10, 26, 0.7);
  box-shadow: var(--hard-shadow-sm);
}
.stat { padding: 1.1rem 1.2rem; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--soft);
}
.stat .stat-txt { font-size: 1.25rem; color: var(--accent-2); }
.stat span { color: var(--muted); font-size: 0.85rem; }

/* ===== 通用分节 ===== */
.sec { padding: 5.2rem 0; border-bottom: 1px solid var(--line); }
.sec-tight { padding-bottom: 4.4rem; }
.sec-head { max-width: 42rem; margin-bottom: 2.3rem; }
.sec-head h2 {
  margin: 0.9rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.55rem);
  line-height: 1.16;
  letter-spacing: 0.01em;
}
.sec-sub { margin: 0; color: var(--muted); }

/* ===== 工具卡（模板15 硬阴影工具台 → 暗色版） ===== */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.35rem;
}
.tool-card {
  position: relative;
  padding: 1.5rem 1.3rem 1.55rem;
  border: 1px solid var(--line-mid);
  background:
    linear-gradient(rgba(176, 107, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 107, 255, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(176, 107, 255, 0.06), transparent 42%),
    var(--panel);
  background-size: 24px 24px, 24px 24px, auto, auto;
  box-shadow: var(--hard-shadow);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.tool-card:hover {
  transform: translate(-3px, -3px);
  border-color: var(--line-accent);
  box-shadow: 10px 10px 0 rgba(0, 0, 0, 0.55), 10px 10px 0 1px rgba(255, 92, 200, 0.3);
}
.tool-no {
  display: inline-block;
  margin-bottom: 0.9rem;
  padding: 0.18rem 0.5rem;
  border: 1px solid var(--line-mid);
  background: var(--ink);
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--soft);
}
.tool-card h3 { margin: 0 0 0.55rem; font-size: 1.14rem; }
.tool-card p { margin: 0; color: var(--muted); font-size: 0.94rem; }

/* ===== 横向实景 ===== */
.feed-wrap { margin-top: 0.4rem; padding-top: 0.4rem; }
.feed {
  display: flex;
  gap: 1.05rem;
  align-items: flex-end;
  padding: 2.6rem 0.25rem 0.6rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  cursor: grab;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(176, 107, 255, 0.5) rgba(255, 255, 255, 0.06);
}
.feed.is-dragging { cursor: grabbing; scroll-behavior: auto; user-select: none; }
.feed::-webkit-scrollbar { height: 6px; }
.feed::-webkit-scrollbar-track { background: rgba(255, 255, 255, 0.06); }
.feed::-webkit-scrollbar-thumb { background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.feed-item {
  --lift: 0;
  flex: 0 0 218px;
  margin: 0;
  transform: translateY(calc(var(--lift) * -16px));
  scroll-snap-align: start;
}
.feed-frame {
  position: relative;
  padding: 8px;
  border: 2px solid var(--line-mid);
  background: var(--panel);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.04),
    12px 14px 0 rgba(0, 0, 0, 0.4),
    12px 14px 0 1px rgba(176, 107, 255, 0.16);
}
.feed-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 230 / 498;
  object-fit: cover;
  object-position: top center;
  border: 1px solid var(--line);
  background: #000;
}
.feed-item figcaption {
  margin-top: 0.55rem;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--line);
  text-align: center;
  color: var(--muted);
  font-size: 0.84rem;
  background: rgba(21, 14, 36, 0.9);
}
.feed-hint { margin: 0.8rem 0 0; text-align: center; color: var(--muted); font-size: 0.82rem; }

/* ===== 登岛通道 ===== */
.dock-box {
  display: grid;
  grid-template-columns: 1.45fr 0.8fr;
  gap: 1.6rem;
  padding: 1.9rem;
  border-color: var(--line-mid);
  background:
    linear-gradient(135deg, rgba(176, 107, 255, 0.1), transparent 46%),
    var(--bg-2);
  box-shadow: var(--hard-shadow);
}
.dock-copy h2 { margin: 0.9rem 0 0.7rem; font-family: var(--font-display); font-size: clamp(1.7rem, 3vw, 2.3rem); }
.dock-copy > p { margin: 0 0 1rem; color: var(--muted); max-width: 38rem; }
.dock-list { margin: 0 0 1.4rem; display: grid; gap: 0.5rem; }
.dock-list li {
  position: relative;
  padding: 0.55rem 0.7rem 0.55rem 1.8rem;
  border: 1px solid var(--line);
  background: rgba(10, 7, 18, 0.4);
  color: var(--muted);
  font-size: 0.92rem;
}
.dock-list li::before {
  content: "";
  position: absolute;
  left: 0.75rem;
  top: 50%;
  width: 7px; height: 7px;
  transform: translateY(-50%) rotate(45deg);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.dock-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; }
.dock-tip { margin: 1rem 0 0; color: var(--muted); font-size: 0.82rem; }
.dock-side { display: grid; place-items: center; }
.dock-card {
  width: min(100%, 250px);
  padding: 1.5rem 1.1rem 1.2rem;
  text-align: center;
  display: grid;
  justify-items: center;
  gap: 0.4rem;
  background:
    linear-gradient(rgba(176, 107, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 107, 255, 0.05) 1px, transparent 1px),
    var(--panel);
  background-size: 22px 22px;
  box-shadow: var(--hard-shadow-sm);
}
.dock-card img { border-radius: 18px; border: 1px solid var(--line-mid); margin-bottom: 0.4rem; }
.dock-card strong { font-family: var(--font-display); font-size: 1.3rem; }
.dock-card > span { color: var(--muted); font-size: 0.88rem; }
.dock-domain { margin-top: 0.4rem !important; padding: 0.35rem 0.6rem; border: 1px solid var(--line-accent); color: var(--soft) !important; font-weight: 700; }
.dock-spec { display: flex; align-items: center; gap: 0.55rem; margin-top: 0.5rem; color: var(--muted); font-size: 0.8rem; flex-wrap: wrap; justify-content: center; }
.dock-spec i { width: 3px; height: 3px; border-radius: 50%; background: var(--accent); }

/* ===== FAQ ===== */
.qa-list { display: grid; gap: 0.8rem; }
.qa {
  border: 1px solid var(--line-mid);
  background: var(--panel);
  box-shadow: var(--hard-shadow-sm);
  transition: border-color 0.2s ease;
}
.qa[open] { border-color: var(--line-accent); }
.qa summary {
  position: relative;
  list-style: none;
  padding: 1rem 2.8rem 1rem 1.15rem;
  font-weight: 700;
  font-size: 0.98rem;
  cursor: pointer;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after {
  content: "";
  position: absolute;
  right: 1.15rem;
  top: 50%;
  width: 9px; height: 9px;
  border-right: 2px solid var(--soft);
  border-bottom: 2px solid var(--soft);
  transform: translateY(-65%) rotate(45deg);
  transition: transform 0.25s ease;
}
.qa[open] summary::after { transform: translateY(-30%) rotate(225deg); }
.qa p { margin: 0; padding: 0 1.15rem 1.15rem; color: var(--muted); font-size: 0.94rem; }

/* ===== 评论 ===== */
.voice-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.05rem; }
.voice {
  position: relative;
  padding: 1.25rem 1.2rem 1.3rem;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(176, 107, 255, 0.05), transparent 42%),
    var(--panel);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.voice:hover { border-color: var(--line-mid); transform: translateY(-2px); }
.voice-top { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.85rem; }
.voice-top strong { display: block; font-size: 0.97rem; }
.voice-top time { color: var(--muted); font-size: 0.8rem; font-variant-numeric: tabular-nums; }
.avatar {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border: 1px solid var(--line-mid);
  background: linear-gradient(145deg, rgba(176, 107, 255, 0.45), rgba(40, 16, 60, 0.85));
  font-weight: 700;
  font-size: 1.05rem;
}
.voice p { margin: 0; color: #e4d6f4; font-size: 0.94rem; }

/* ===== CTA / Footer ===== */
.end-cta { padding: 4.6rem 0 5rem; }
.cta-box {
  padding: 2.6rem 1.5rem;
  text-align: center;
  border-color: var(--line-mid);
  background:
    linear-gradient(180deg, rgba(255, 92, 200, 0.1), transparent 55%),
    var(--bg-2);
  box-shadow: var(--hard-shadow);
}
.cta-box h2 { margin: 0 0 0.55rem; font-family: var(--font-display); font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
.cta-box p { margin: 0 0 1.4rem; color: var(--muted); }

.site-footer { border-top: 1px solid var(--line); padding: 1.4rem 0 1.9rem; background: rgba(8, 5, 14, 0.85); }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.85rem; }
.footer-brand { display: inline-flex; align-items: center; gap: 0.5rem; font-family: var(--font-display); font-weight: 700; }
.footer-brand img { border-radius: 7px; border: 1px solid var(--line); }
.site-footer p { margin: 0; color: var(--muted); font-size: 0.86rem; }
.site-footer a { border: 1px solid var(--line); padding: 0.35rem 0.7rem; color: var(--soft); font-size: 0.86rem; }
.site-footer a:hover { border-color: var(--line-accent); }

/* 悬浮投诉 / 返回顶部 */
.float-complaint {
  position: fixed;
  right: 22px;
  bottom: 86px;
  z-index: 45;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--line-mid);
  background: linear-gradient(135deg, rgba(176, 107, 255, 0.92), rgba(255, 92, 200, 0.78));
  color: #fff;
  font-size: 0.88rem;
  font-weight: 700;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
}
.back-top {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 45;
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-mid);
  background: rgba(21, 14, 36, 0.94);
  color: var(--soft);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.25s ease, transform 0.25s ease, border-color 0.2s ease;
}
.back-top.is-show { opacity: 1; pointer-events: auto; transform: none; }
.back-top:hover { border-color: var(--line-accent); }

/* 进场动效：默认可见；仅当 JS 就位时才以动画增强，结束后不占用 transform */
.js .rev { opacity: 0; }
.js .rev.is-in { animation: revIn 0.7s cubic-bezier(0.2, 0.8, 0.2, 1) backwards; }
.js .rev.rev-done { opacity: 1; animation: none; }
@keyframes revIn {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 响应式 ===== */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 2.2rem; }
  .hero-stage { justify-content: center; }
  .bench-shots { width: min(100%, 430px); margin-inline: auto; }
  .tools-grid { grid-template-columns: repeat(2, 1fr); }
  .dock-box { grid-template-columns: 1fr; }
  .feed-item { flex-basis: 200px; transform: translateY(calc(var(--lift) * -12px)); }
}

@media (max-width: 760px) {
  :root { --wrap: min(1180px, calc(100% - 1.4rem)); }
  .page-frame { inset: 6px; }
  .nav-toggle { display: grid; }
  .site-nav { display: none; }
  .hero { padding-top: 2.8rem; }
  .hero-title { font-size: clamp(3rem, 15vw, 4.6rem); }
  .tools-grid, .voice-grid { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat { border-bottom: 1px solid var(--line); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-last-child(-n+2) { border-bottom: 0; }
  .bench-shots { width: min(100%, 340px); gap: 8px; padding: 34px 10px 10px; }
  .feed-item { flex-basis: 168px; transform: translateY(calc(var(--lift) * -10px)); }
  .dock-box { padding: 1.3rem 1rem; }
  .dock-actions { flex-direction: column; align-items: stretch; }
  .dock-actions .btn-shell { width: 100%; }
  .dock-actions .btn { width: 100%; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .float-complaint span { display: none; }
  .float-complaint { padding: 0.65rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}