/* ══════════════════════════════════════════════════
   云影官网 · 单页样式
   风格：深色科技风 + 琥珀强调色（与软件"曜黑(琥珀)"主题同源）
   ══════════════════════════════════════════════════ */

:root {
  --bg:        #0a0c11;
  --bg-soft:   #10131b;
  --bg-card:   #151926;
  --bg-hi:     #1b2030;
  --line:      #242b3b;
  --line-hi:   #313a4f;
  --fg:        #eaeef7;
  --fg-mid:    #a9b2c6;
  --fg-dim:    #6c7689;
  --accent:    #f0a73c;
  --accent-lo: rgba(240,167,60,.14);
  --accent-2:  #7b8cff;
  --ok:        #4ec98a;
  --radius:    16px;
  --wrap:      1200px;
  --shadow:    0 20px 60px rgba(0,0,0,.5);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 26px; }

/* ─────────── 按钮 ─────────── */
.btn {
  display: inline-block;
  background: linear-gradient(180deg, #f7b451, var(--accent));
  color: #1a1206;
  font-weight: 700;
  padding: 12px 26px;
  border-radius: 11px;
  letter-spacing: .01em;
  box-shadow: 0 6px 18px rgba(240,167,60,.22);
  transition: transform .16s ease, box-shadow .16s ease, filter .16s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(240,167,60,.34); filter: brightness(1.04); }
.btn-sm { padding: 8px 18px; font-size: 14px; border-radius: 9px; }
.btn-lg { padding: 16px 36px; font-size: 17px; }
.btn-ghost {
  background: rgba(255,255,255,.04);
  color: var(--fg);
  border: 1px solid var(--line-hi);
  box-shadow: none;
  font-weight: 600;
}
.btn-ghost:hover { background: rgba(255,255,255,.08); box-shadow: none; }

/* ─────────── 顶栏 ─────────── */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: rgba(10,12,17,.82);
  backdrop-filter: blur(14px) saturate(1.4);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 30px; height: 66px; }
.brand { display: flex; align-items: baseline; gap: 9px; }
.logo {
  font-size: 22px; font-weight: 800; letter-spacing: .1em;
  background: linear-gradient(100deg, #ffd489, var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.brand-sub { font-size: 12.5px; color: var(--fg-dim); letter-spacing: .18em; }
.nav-links { display: flex; gap: 26px; margin-left: auto; font-size: 14.5px; color: var(--fg-mid); }
.nav-links a { position: relative; padding: 4px 0; transition: color .15s; }
.nav-links a:hover { color: var(--fg); }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0;
  background: var(--accent); border-radius: 2px; transition: width .2s ease;
}
.nav-links a:hover::after { width: 100%; }

/* ─────────── 首屏 ─────────── */
.hero { position: relative; padding: 78px 0 64px; overflow: hidden; }
.hero-glow {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(620px 340px at 16% 12%, rgba(240,167,60,.13), transparent 70%),
    radial-gradient(700px 420px at 88% 26%, rgba(123,140,255,.11), transparent 72%);
}
.hero-inner {
  position: relative;
  display: grid; grid-template-columns: 1fr 1.18fr;
  gap: 52px; align-items: center;
}
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--fg-mid);
  background: rgba(255,255,255,.04);
  border: 1px solid var(--line-hi);
  padding: 5px 14px; border-radius: 999px; margin-bottom: 22px;
}
.badge i {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ok); box-shadow: 0 0 8px var(--ok);
  animation: pulse 2.2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

.hero-text h1 {
  font-size: 50px; line-height: 1.24; margin: 0 0 22px;
  letter-spacing: -.02em; font-weight: 800;
}
.hero-text h1 em {
  font-style: normal; position: relative;
  background: linear-gradient(100deg, #ffd489, var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 17px; color: var(--fg-mid); margin: 0 0 30px; }
.hero-sub strong { color: var(--fg); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-chips {
  list-style: none; padding: 0; margin: 32px 0 0;
  display: flex; flex-wrap: wrap; gap: 10px;
}
.hero-chips li {
  font-size: 13.5px; color: var(--fg-mid);
  background: rgba(255,255,255,.035);
  border: 1px solid var(--line);
  padding: 5px 14px; border-radius: 999px;
}
.hero-chips li::before { content: "✓ "; color: var(--ok); font-weight: 700; }

/* 浏览器窗口框 */
.hero-visual { position: relative; }
.shot-frame {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line-hi);
  background: var(--bg-soft);
  box-shadow: var(--shadow);
}
.shot-bar {
  display: flex; align-items: center; gap: 7px;
  height: 34px; padding: 0 14px;
  background: #171b26; border-bottom: 1px solid var(--line);
}
.shot-bar span { width: 10px; height: 10px; border-radius: 50%; background: #2c3446; }
.shot-bar span:nth-child(1) { background: #ff5f57; }
.shot-bar span:nth-child(2) { background: #febc2e; }
.shot-bar span:nth-child(3) { background: #28c840; }
.shot-bar b { margin-left: 12px; font-size: 12px; font-weight: 500; color: var(--fg-dim); }

.float-card {
  position: absolute; z-index: 3;
  background: rgba(21,25,38,.94);
  border: 1px solid var(--line-hi);
  backdrop-filter: blur(8px);
  border-radius: 13px; padding: 12px 18px;
  box-shadow: 0 14px 40px rgba(0,0,0,.5);
  animation: float 5s ease-in-out infinite;
}
.float-card b { display: block; font-size: 17px; color: var(--accent); }
.float-card span { font-size: 12.5px; color: var(--fg-mid); }
.fc1 { left: -26px; bottom: 34px; animation-delay: 0s; }
.fc2 { right: -18px; top: 60px; animation-delay: 2.4s; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* ─────────── 数字条 ─────────── */
.stats { padding: 30px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { text-align: center; }
.stat b {
  display: block; font-size: 27px; font-weight: 800; letter-spacing: -.01em;
  background: linear-gradient(100deg, #ffd489, var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat span { font-size: 13.5px; color: var(--fg-dim); }

/* ─────────── 支持类型 / 格式卡片 ─────────── */
.types { padding: 92px 0; }
.fmt-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
}
.fmt {
  position: relative;
  background: linear-gradient(180deg, var(--bg-soft), var(--bg-card));
  border: 1px solid var(--line); border-radius: 14px;
  padding: 24px 22px 22px;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.fmt:hover {
  border-color: rgba(240,167,60,.42);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,.42);
}
.fmt-ico {
  width: 42px; height: 42px; border-radius: 11px;
  display: grid; place-items: center; margin-bottom: 14px;
  background: var(--accent-lo);
  border: 1px solid rgba(240,167,60,.26);
  color: var(--accent);
}
.fmt-ico svg { width: 22px; height: 22px; }
.fmt h4 { font-size: 16.5px; margin: 0 0 9px; }
.fmt-chip {
  display: inline-block;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11.5px; letter-spacing: .02em;
  color: var(--accent);
  background: rgba(240,167,60,.1);
  border: 1px solid rgba(240,167,60,.24);
  padding: 2px 9px; border-radius: 6px;
  margin-bottom: 11px;
}
.fmt-note { margin: 0; font-size: 13.5px; color: var(--fg-mid); line-height: 1.65; }
.fmt-tip {
  text-align: center; margin: 40px 0 0;
  font-size: 14px; color: var(--fg-dim);
}

/* 格式区末尾的"自定义分类与格式"通栏卡片 */
.fmt-wide {
  display: flex; align-items: center; justify-content: space-between;
  gap: 30px; flex-wrap: wrap;
  margin-top: 20px; padding: 26px 30px;
  border-radius: 14px;
  border: 1px solid rgba(240,167,60,.32);
  background:
    radial-gradient(520px 200px at 8% 0%, rgba(240,167,60,.12), transparent 70%),
    linear-gradient(180deg, var(--bg-soft), var(--bg-card));
}
.fw-left { display: flex; align-items: flex-start; gap: 18px; max-width: 720px; }
.fw-ico {
  flex-shrink: 0;
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(240,167,60,.16);
  border: 1px solid rgba(240,167,60,.32);
  color: var(--accent);
}
.fw-ico svg { width: 24px; height: 24px; }
.fw-left h4 { margin: 2px 0 8px; font-size: 18px; }
.fw-left p { margin: 0; font-size: 14.5px; color: var(--fg-mid); line-height: 1.75; }
.fw-left b { color: var(--accent); font-weight: 700; }
.fw-right { display: flex; gap: 9px; flex-wrap: wrap; }
.fw-chip {
  font-size: 13px; color: var(--fg);
  background: rgba(255,255,255,.05);
  border: 1px solid var(--line-hi);
  padding: 6px 14px; border-radius: 999px;
  white-space: nowrap;
}

@media (max-width: 720px) {
  .fmt-wide { flex-direction: column; align-items: flex-start; }
  .fw-left { flex-direction: column; gap: 12px; }
}

/* 旧的胶囊行样式（保留兜底） */
.types-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.types-row span {
  background: var(--bg-card); border: 1px solid var(--line);
  color: var(--fg-mid); font-size: 14px;
  padding: 7px 17px; border-radius: 999px;
  transition: border-color .15s, color .15s, transform .15s;
}
.types-row span:hover { border-color: rgba(240,167,60,.5); color: var(--fg); transform: translateY(-2px); }

/* ─────────── 通用标题 ─────────── */
.sec-title { font-size: 34px; margin: 0 0 12px; text-align: center; letter-spacing: -.02em; font-weight: 800; }
.sec-sub { text-align: center; color: var(--fg-mid); margin: 0 0 54px; }

/* ─────────── 九宫格功能 ─────────── */
.features { padding: 92px 0; }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat {
  background: linear-gradient(180deg, var(--bg-soft), var(--bg-card));
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}
.feat:hover {
  border-color: rgba(240,167,60,.42);
  transform: translateY(-4px);
  box-shadow: 0 18px 44px rgba(0,0,0,.42);
}
.ico {
  width: 46px; height: 46px; border-radius: 12px;
  display: grid; place-items: center; margin-bottom: 18px;
  background: var(--accent-lo);
  border: 1px solid rgba(240,167,60,.28);
  color: var(--accent);
}
.ico svg { width: 23px; height: 23px; }
.feat h3 { font-size: 18px; margin: 0 0 10px; }
.feat p { margin: 0; font-size: 14.5px; color: var(--fg-mid); line-height: 1.72; }

/* ─────────── 五步工作流 ─────────── */
.workflow { padding: 92px 0; background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.flow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; position: relative; }
/* 前 3 个各占 2 格(一行三个)；后 2 个也各占 2 格并整体居中(空出首尾各 1 格) */
.flow-step { grid-column: span 2; }
.flow-step:nth-child(4) { grid-column: 2 / span 2; }
.flow-step:nth-child(5) { grid-column: 4 / span 2; }
.flow-step {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 14px; padding: 22px 20px;
  transition: border-color .18s, transform .18s;
}
.flow-step:hover { border-color: rgba(240,167,60,.42); transform: translateY(-3px); }
.fs-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.fs-no {
  font-size: 12px; font-weight: 800; letter-spacing: .06em;
  color: var(--accent); background: var(--accent-lo);
  border: 1px solid rgba(240,167,60,.3);
  padding: 3px 9px; border-radius: 7px;
}
.fs-head h3 { font-size: 17.5px; margin: 0; }
.flow-step p { margin: 0 0 12px; font-size: 13.5px; color: var(--fg-mid); line-height: 1.7; }

/* 每步的子功能清单 */
.fs-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); padding-top: 12px; }
.fs-list li {
  position: relative; padding: 3px 0 3px 16px;
  font-size: 13px; color: var(--fg-dim); line-height: 1.6;
}
.fs-list li::before {
  content: ""; position: absolute; left: 3px; top: 11px;
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); opacity: .75;
}

/* 五步区块底色（比 workflow 更醒目） */
.flow-sec { padding: 92px 0; background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.shots-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 46px; }
.shots-3 figure { margin: 0; }
.shots-3 img {
  border-radius: 12px; border: 1px solid var(--line-hi);
  aspect-ratio: 16 / 9; object-fit: cover; object-position: left top;
  transition: transform .2s ease, box-shadow .2s ease;
}
.shots-3 img:hover { transform: scale(1.02); box-shadow: 0 16px 40px rgba(0,0,0,.45); }
.shots-3 figcaption { margin-top: 11px; font-size: 13px; color: var(--fg-dim); text-align: center; }

/* ─────────── 四套主题展示 ─────────── */
.themes { margin-top: 64px; text-align: center; }
.themes h3 { font-size: 24px; margin: 0 0 8px; letter-spacing: -.01em; }
.themes > p { color: var(--fg-mid); margin: 0 0 30px; font-size: 15px; }
.theme-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
}
.theme-row figure { margin: 0; }
.theme-row img {
  border-radius: 11px; border: 1px solid var(--line-hi);
  width: 100%; aspect-ratio: 16 / 9; object-fit: cover; object-position: left top;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.theme-row img:hover {
  transform: translateY(-5px) scale(1.02);
  border-color: rgba(240,167,60,.5);
  box-shadow: 0 18px 44px rgba(0,0,0,.5);
}
.theme-row figcaption {
  margin-top: 11px; font-size: 13.5px; color: var(--fg-mid); text-align: center;
}

/* ─────────── 灵感画板 ─────────── */
.board { padding: 96px 0; position: relative; overflow: hidden; }
.board::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(760px 420px at 50% 0%, rgba(123,140,255,.09), transparent 70%);
}
.board .wrap { position: relative; }
.board-head { max-width: 800px; margin: 0 auto 56px; text-align: center; }
.tag {
  display: inline-block; font-size: 12.5px; letter-spacing: .12em;
  color: var(--accent); border: 1px solid rgba(240,167,60,.42);
  background: var(--accent-lo);
  padding: 4px 14px; border-radius: 999px; margin-bottom: 20px;
}
.board-head h2 { font-size: 34px; margin: 0 0 18px; letter-spacing: -.02em; }
.board-head p { color: var(--fg-mid); margin: 0; line-height: 1.85; }

.board-shots { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.board-shots figure { margin: 0; }
.board-shots img {
  border-radius: var(--radius); border: 1px solid var(--line-hi);
  width: 100%; box-shadow: 0 18px 46px rgba(0,0,0,.4);
  transition: transform .2s ease;
}
.board-shots img:hover { transform: translateY(-4px); }
.board-shots figcaption { margin-top: 12px; font-size: 13.5px; color: var(--fg-dim); text-align: center; }

.board-feats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 50px; }
.bf {
  border-left: 2px solid var(--accent-2);
  padding: 4px 0 4px 18px;
}
.bf h4 { margin: 0 0 9px; font-size: 16.5px; }
.bf p { margin: 0; font-size: 14px; color: var(--fg-mid); line-height: 1.72; }

/* ─────────── 对比表 ─────────── */
.compare { padding: 92px 0; background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.cmp {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: var(--bg-card); border: 1px solid var(--line-hi);
  border-radius: var(--radius); overflow: hidden;
}
.cmp th, .cmp td { padding: 17px 22px; text-align: left; font-size: 15px; border-bottom: 1px solid var(--line); }
.cmp thead th { background: var(--bg-hi); font-size: 14px; letter-spacing: .05em; color: var(--fg-mid); }
.cmp tbody tr:hover td { background: rgba(255,255,255,.02); }
.cmp tbody tr:last-child td { border-bottom: none; }
.cmp .no { color: var(--fg-dim); }
.cmp .yes { color: var(--fg); }
.cmp thead .yes { color: var(--accent); }
.cmp tbody td:first-child { color: var(--fg-mid); }
.cmp .yes::before { content: "✓ "; color: var(--ok); font-weight: 700; }
.cmp .no::before { content: "✕ "; color: #6b5566; font-weight: 700; }

/* ─────────── 团队 / 云端（配套 STRM 助手） ─────────── */
.remote { padding: 92px 0; }
.remote-head { max-width: 820px; margin: 0 auto 54px; text-align: center; }
.remote-head h2 { font-size: 34px; margin: 0 0 18px; letter-spacing: -.02em; }
.remote-head p { color: var(--fg-mid); margin: 0; line-height: 1.85; }

.remote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.rm {
  background: var(--bg-card); border: 1px solid var(--line-hi);
  border-radius: var(--radius); padding: 28px 26px;
}
.rm h4 { margin: 0 0 14px; font-size: 17px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.rm p { margin: 0; font-size: 14.5px; color: var(--fg-mid); line-height: 1.8; }
.rm-hi { border-color: rgba(240,167,60,.42); background: var(--accent-lo); }
.rm-hi h4 { color: var(--accent); }

.rm-chip {
  font-size: 11.5px; letter-spacing: .06em; font-weight: 600;
  color: var(--fg-mid); border: 1px solid var(--line-hi);
  background: var(--bg-hi); padding: 3px 10px; border-radius: 999px;
}
.rm-chip-paid { color: var(--accent); border-color: rgba(240,167,60,.42); background: var(--accent-lo); }
.rm-links { margin-top: 14px !important; font-size: 13.8px; }
.rm-links a { color: var(--accent); }

.remote-foot {
  margin: 34px auto 0; max-width: 900px; text-align: center;
}
.rf-feats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
  margin-bottom: 30px; text-align: left;
}
.rff {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 12px; padding: 20px 22px;
}
.rff b { display: block; margin-bottom: 8px; font-size: 14.5px; color: var(--fg); }
.rff span { font-size: 13.5px; color: var(--fg-mid); line-height: 1.72; }

.remote-note {
  margin: 0 0 20px; font-size: 13.5px; color: var(--fg-dim); line-height: 1.85;
}
.remote-note b { color: var(--accent); }
.remote-disclaimer { max-width: 900px; text-align: left; margin-top: 14px; font-size: 12.8px; color: var(--fg-dim); line-height: 1.8; }
.remote-disclaimer b { color: var(--fg-mid); }
.remote-links { margin: 0; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ─────────── 价格与授权 ─────────── */
.pricing { padding: 92px 0; background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

/* 内测免费 主视觉 */
.price-free {
  max-width: 820px; margin: 0 auto 22px; text-align: center;
  background: var(--bg-card);
  border: 1px solid rgba(78,201,138,.45);
  border-radius: var(--radius); padding: 34px 28px;
}
.pf-badge {
  display: inline-block; font-size: 13px; letter-spacing: .08em; font-weight: 700;
  color: var(--ok); border: 1px solid rgba(78,201,138,.5);
  background: rgba(78,201,138,.12);
  padding: 4px 14px; border-radius: 999px; margin-bottom: 16px;
}
.price-free h3 { margin: 0 0 12px; font-size: 30px; font-weight: 800; letter-spacing: -.01em; }
.price-free p { margin: 0; font-size: 14.5px; color: var(--fg-mid); line-height: 1.85; }

.price-sub-label {
  max-width: 820px; margin: 34px auto 16px;
  font-size: 13px; letter-spacing: .1em; color: var(--fg-dim);
  display: flex; align-items: center; gap: 14px;
}
.price-sub-label::before, .price-sub-label::after {
  content: ""; flex: 1; height: 1px; background: var(--line-hi);
}

.price-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; max-width: 820px; margin: 0 auto; }
.price-card {
  background: var(--bg-card); border: 1px solid var(--line-hi);
  border-radius: var(--radius); padding: 30px 28px; text-align: center;
}
.price-card h3 { margin: 0 0 10px; font-size: 19px; }
.pc-chip {
  display: inline-block; font-size: 11.5px; letter-spacing: .05em; font-weight: 600;
  color: var(--fg-mid); border: 1px solid var(--line-hi); background: var(--bg-hi);
  padding: 2px 10px; border-radius: 999px; margin-left: 6px; vertical-align: 3px;
}
.pc-desc { margin: 0 0 22px; font-size: 14px; color: var(--fg-mid); line-height: 1.75; min-height: 50px; }
.pc-amount { margin-bottom: 6px; }
.pc-amount b { font-size: 40px; font-weight: 800; letter-spacing: -.02em; }
.pc-amount span { font-size: 14px; color: var(--fg-mid); margin-left: 6px; }
.pc-life b { font-size: 28px; }
.pc-note { margin: 16px 0 0; font-size: 13px; color: var(--fg-dim); }
.price-hi { border-color: rgba(240,167,60,.42); }
.price-hi h3 { color: var(--accent); }

.price-bundle {
  max-width: 820px; margin: 22px auto 0;
  background: var(--accent-lo); border: 1px solid rgba(240,167,60,.42);
  border-radius: var(--radius); padding: 20px 26px;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 10px 18px;
  text-align: center;
}
.pb-label { font-size: 13px; letter-spacing: .08em; color: var(--accent); }
.pb-amount b { font-size: 32px; font-weight: 800; color: var(--fg); }
.pb-amount { font-size: 15px; color: var(--fg-mid); }
.pb-amount s { color: var(--fg-dim); margin-left: 6px; font-size: 14px; }
.pb-desc { font-size: 13px; color: var(--fg-mid); }
.pb-promo {
  font-style: normal; font-size: 11.5px; letter-spacing: .05em;
  color: var(--accent); border: 1px solid rgba(240,167,60,.42);
  background: rgba(240,167,60,.10); border-radius: 999px; padding: 2px 9px; margin: 0 2px;
}

.remote-disclaimer { margin-top: 14px; font-size: 12.8px; line-height: 1.75; }

.price-notes {
  max-width: 820px; margin: 34px auto 0; padding: 0; list-style: none;
}
.price-notes li {
  position: relative; padding-left: 20px; margin-bottom: 10px;
  font-size: 13.8px; color: var(--fg-mid); line-height: 1.75;
}
.price-notes li::before { content: "·"; position: absolute; left: 6px; color: var(--accent); font-weight: 700; }
.price-notes b { color: var(--fg); }
.price-notes a { color: var(--accent); }

/* ─────────── FAQ ─────────── */
.faq { padding: 92px 0; }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-list details {
  background: var(--bg-card); border: 1px solid var(--line);
  border-radius: 13px; margin-bottom: 12px; overflow: hidden;
  transition: border-color .16s;
}
.faq-list details[open] { border-color: rgba(240,167,60,.35); }
.faq-list summary {
  cursor: pointer; list-style: none;
  padding: 18px 24px; font-size: 16px; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: "+"; font-size: 21px; color: var(--accent); font-weight: 400;
  transition: transform .2s ease; flex-shrink: 0;
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list details p { margin: 0; padding: 0 24px 20px; font-size: 14.5px; color: var(--fg-mid); line-height: 1.8; }

/* ─────────── 视频教程 ─────────── */
.video {
  padding: 92px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.video-head { max-width: 720px; margin: 0 auto 46px; text-align: center; }
.video-head .tag { margin-bottom: 18px; }
.video-head h2 { font-size: 32px; margin: 0 0 14px; letter-spacing: -.02em; }
.video-head > p { color: var(--fg-mid); margin: 0; }

.video-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start;
}
.video-player { margin: 0; }
.vp-frame {
  position: relative; width: 100%; aspect-ratio: 16 / 9;
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line-hi);
  background: #0d0f14;
  box-shadow: 0 20px 56px rgba(0,0,0,.5);
}
.vp-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.vp-cap {
  margin: 12px 0 0; text-align: center;
  font-size: 13.5px; color: var(--fg-mid);
}

.video-foot {
  display: flex; align-items: center; justify-content: space-between;
  gap: 30px; flex-wrap: wrap;
  margin-top: 40px; padding: 26px 30px;
  background: var(--bg-card); border: 1px solid var(--line-hi);
  border-radius: var(--radius);
}
.vf-text { max-width: 760px; }
.vf-text h4 { margin: 0 0 8px; font-size: 17px; }
.vf-text p { margin: 0; font-size: 13.5px; color: var(--fg-mid); line-height: 1.8; }
.video-foot .btn-bili { display: inline-flex; align-items: center; flex-shrink: 0; }

/* ─────────── 下载 ─────────── */
.download { padding: 96px 0; position: relative; overflow: hidden; }
.download::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(700px 380px at 50% 100%, rgba(240,167,60,.1), transparent 70%);
}
.download .wrap { position: relative; }
.dl-inner { text-align: center; }
.download h2 { font-size: 36px; margin: 0 0 12px; letter-spacing: -.02em; }
.dl-line { color: var(--fg-mid); margin: 0 0 28px; }
.btn-dl { font-size: 18px; padding: 18px 48px; }
.dl-note { font-size: 13.5px; color: var(--fg-dim); margin: 16px 0 0; }
.dl-meta {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
  margin-top: 58px; text-align: left;
  background: var(--bg-card); border: 1px solid var(--line-hi);
  border-radius: var(--radius); padding: 30px 34px;
}
.dl-meta h4 { margin: 0 0 12px; font-size: 16.5px; }
.dl-meta p { margin: 0 0 10px; font-size: 14.5px; color: var(--fg-mid); }
.dl-links { display: flex; gap: 20px; flex-wrap: wrap; }
.dl-links a { color: var(--accent); font-weight: 600; border-bottom: 1px solid rgba(240,167,60,.35); }
.dl-links a:hover { border-bottom-color: var(--accent); }
.dl-spec { list-style: none; padding: 0; margin: 0; }
.dl-spec li { font-size: 14.5px; color: var(--fg-mid); padding: 4px 0 4px 20px; position: relative; }
.dl-spec li::before { content: "·"; position: absolute; left: 6px; color: var(--accent); font-weight: 800; }
.dl-compat {
  margin-top: 22px; padding: 24px 30px;
  background: var(--bg-card); border: 1px solid var(--line-hi);
  border-radius: var(--radius); text-align: left;
}
.dl-compat h4 { margin: 0 0 10px; font-size: 16.5px; }
.dl-compat .dl-spec { display: flex; gap: 26px; flex-wrap: wrap; }

/* ─────────── 页脚 ─────────── */
.foot { border-top: 1px solid var(--line); padding: 36px 0 48px; text-align: center; background: var(--bg-soft); }
.foot-brand { color: var(--fg-dim); font-size: 14px; margin: 0 0 12px; }
.foot-legal { color: var(--fg-dim); font-size: 13px; margin: 0; }
.foot-legal .sep { margin: 0 8px; opacity: .5; }

/* ─────────── 响应式 ─────────── */
@media (max-width: 1040px) {
  .hero-inner { grid-template-columns: 1fr; gap: 44px; }
  .hero-text h1 { font-size: 40px; }
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .fmt-grid { grid-template-columns: repeat(2, 1fr); }
  .flow { grid-template-columns: repeat(2, 1fr); }
  .flow-step { grid-column: auto; }
  .flow-step:nth-child(5) { grid-column: 1 / span 2; }
  .board-feats { grid-template-columns: repeat(2, 1fr); }
  .shots-3 { grid-template-columns: 1fr; }
  .theme-row { grid-template-columns: repeat(2, 1fr); }
  .video-inner { grid-template-columns: 1fr; gap: 34px; }
  .board-shots { grid-template-columns: 1fr; }
  .remote-grid { grid-template-columns: 1fr; gap: 18px; }
  .price-grid { grid-template-columns: 1fr; gap: 18px; }
  .fc1 { left: 8px; } .fc2 { right: 8px; }
}
@media (max-width: 660px) {
  .nav-links { display: none; }
  .hero-text h1 { font-size: 31px; }
  .feat-grid, .flow { grid-template-columns: 1fr; }
  .fmt-grid { grid-template-columns: 1fr; }
  .flow-step, .flow-step:nth-child(4), .flow-step:nth-child(5) { grid-column: auto; }
  .board-feats { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 26px; }
  .dl-meta { grid-template-columns: 1fr; padding: 24px 22px; }
  .sec-title, .board-head h2, .download h2, .remote-head h2 { font-size: 26px; }
  .cmp th, .cmp td { padding: 13px 13px; font-size: 13.5px; }
  .rf-feats { grid-template-columns: 1fr; gap: 14px; }
  .float-card { display: none; }
}