/* =========================================================
   紧急企划 —— 全球中古黑胶唱片与Hi-Fi音响发烧友社区
   视觉系统：黑胶唱片黑 + 复古黄铜金（Hi-Fi 发烧级模拟味）
   组件命名前缀：grv-（gramophone vinyl）
   ========================================================= */

:root {
  --grv-black: #1A1A1A;        /* 黑胶唱片黑 主色 */
  --grv-brass: #C8A951;        /* 复古黄铜金 辅助色 */
  --grv-brass-soft: #d9bf76;
  --grv-bg: #0D0D0D;           /* 深邃留声机黑 背景 */
  --grv-card: #2A2218;         /* 老唱片封套棕 卡片 */
  --grv-text: #F5E6C8;         /* 暖黄灯光色 正文 */
  --grv-text-dim: #b6a888;
  --grv-line: rgba(200,169,81,0.22);
  --grv-shadow: 0 12px 40px rgba(0,0,0,0.55);
  --grv-radius: 14px;
  --grv-maxw: 1240px;
  --grv-serif: "Noto Serif SC", "Songti SC", "STSong", serif;
  --grv-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--grv-sans);
  background: var(--grv-bg);
  color: var(--grv-text);
  line-height: 1.85;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--grv-brass); text-decoration: none; transition: color .25s; }
a:hover { color: var(--grv-brass-soft); }

img { max-width: 100%; display: block; height: auto; }

h1, h2, h3, h4 { font-family: var(--grv-serif); color: var(--grv-text); line-height: 1.4; }

.c3f00b9d4 { max-width: var(--grv-maxw); margin: 0 auto; padding: 0 20px; }

/* ===== 顶部唱针进度条 ===== */
.c7801c782 {
  position: fixed; top: 0; left: 0; height: 3px; width: 0;
  background: linear-gradient(90deg, var(--grv-brass), var(--grv-brass-soft));
  z-index: 2000; box-shadow: 0 0 8px var(--grv-brass);
}

/* ===== 导航栏 ===== */
.cf683f5b5 {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(13,13,13,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--grv-line);
}
.c67aa94f3 {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px;
}
.cd4997808 { display: flex; align-items: center; gap: 12px; font-family: var(--grv-serif); font-size: 1.15rem; font-weight: 700; color: var(--grv-text); }
.cd4997808 img { width: 38px; height: 38px; }
.cd4997808 .c49b35dc8 { color: var(--grv-brass); letter-spacing: 1px; }
.c15a24a29 { display: flex; gap: 26px; list-style: none; align-items: center; }
.c15a24a29 a { color: var(--grv-text); font-size: .95rem; position: relative; }
.c15a24a29 a::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px; background: var(--grv-brass); transition: width .3s; }
.c15a24a29 a:hover::after { width: 100%; }
.c21807e33 { display: none; background: none; border: 1px solid var(--grv-line); color: var(--grv-brass); font-size: 1.4rem; padding: 4px 12px; border-radius: 8px; cursor: pointer; }

/* ===== 通用区块标题 ===== */
.c4d95ff4c { padding: 72px 0; }
.c6a35ceb7 { text-align: center; max-width: 760px; margin: 0 auto 44px; }
.c6a35ceb7 .c232b366c { color: var(--grv-brass); letter-spacing: 3px; font-size: .8rem; text-transform: uppercase; }
.c6a35ceb7 h2 { font-size: 2rem; margin: 10px 0 14px; }
.c6a35ceb7 p { color: var(--grv-text-dim); }

/* ===== Hero 黑胶旋转沉浸区 ===== */
.c0cd9f9bd {
  position: relative; min-height: 92vh; display: flex; align-items: center;
  overflow: hidden;
  background: radial-gradient(circle at 70% 50%, rgba(40,34,24,0.85), var(--grv-bg) 70%);
}
.ca79a4906 { position: absolute; inset: 0; z-index: 0; opacity: .38; }
.ca79a4906 img { width: 100%; height: 100%; object-fit: cover; }
.c9f1d6c3a { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; width: 100%; }
.c3abc05b5 h1 { font-size: 3rem; line-height: 1.25; margin-bottom: 20px; }
.c3abc05b5 h1 .c405157ae { color: var(--grv-brass); }
.c3abc05b5 p { color: var(--grv-text-dim); font-size: 1.1rem; max-width: 520px; margin-bottom: 30px; }
.c63348d7e { display: flex; gap: 16px; flex-wrap: wrap; }

/* 旋转黑胶 */
.c269d086d { display: flex; justify-content: center; align-items: center; position: relative; }
.c90591339 {
  width: 360px; height: 360px; border-radius: 50%; position: relative;
  background: repeating-radial-gradient(circle at center, #050505 0 2px, #161616 2px 4px);
  box-shadow: 0 0 0 6px #0a0a0a, var(--grv-shadow), inset 0 0 60px rgba(0,0,0,.8);
  animation: grv-spin 6s linear infinite;
}
.c90591339::after {
  content: ""; position: absolute; inset: 38%; border-radius: 50%;
  background: radial-gradient(circle, var(--grv-brass) 0 60%, #8a7333 100%);
  box-shadow: inset 0 0 18px rgba(0,0,0,.6);
}
.c90591339.c49915337 { animation-play-state: paused; }
.c88f1ae77 {
  position: absolute; top: 6%; right: 4%; width: 150px; height: 14px;
  background: linear-gradient(90deg, #555, var(--grv-brass));
  border-radius: 8px; transform-origin: right center; transform: rotate(-28deg);
  transition: transform .8s ease; box-shadow: var(--grv-shadow);
}
.c88f1ae77.down { transform: rotate(-12deg); }
@keyframes grv-spin { to { transform: rotate(360deg); } }

/* ===== 按钮 ===== */
.cbac46f80 {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 40px; font-weight: 600; font-size: .95rem;
  cursor: pointer; border: none; transition: transform .15s, box-shadow .25s;
}
.c7fc46c26 { background: linear-gradient(135deg, var(--grv-brass), #a8893c); color: #1a1a1a; box-shadow: 0 8px 22px rgba(200,169,81,.3); }
.c7fc46c26:hover { transform: translateY(-2px); color: #1a1a1a; }
.cb7702c1e { background: transparent; color: var(--grv-brass); border: 1px solid var(--grv-brass); }
.cb7702c1e:hover { background: rgba(200,169,81,.1); }

/* ===== 唱片卡片横向滚动 ===== */
.c8915ff6a { display: flex; gap: 24px; overflow-x: auto; padding: 10px 4px 24px; scroll-snap-type: x mandatory; }
.c8915ff6a::-webkit-scrollbar { height: 8px; }
.c8915ff6a::-webkit-scrollbar-thumb { background: var(--grv-brass); border-radius: 8px; }
.cf2ee191e {
  flex: 0 0 280px; scroll-snap-align: start; perspective: 1000px; cursor: pointer;
}
.c32a1fb14 { position: relative; width: 100%; aspect-ratio: 1/1; transform-style: preserve-3d; transition: transform .7s; border-radius: var(--grv-radius); }
.cf2ee191e:hover .c32a1fb14 { transform: rotateY(180deg); }
.c25df3179 { position: absolute; inset: 0; backface-visibility: hidden; border-radius: var(--grv-radius); overflow: hidden; box-shadow: var(--grv-shadow); }
.cc2944aee {
  transform: rotateY(180deg); background: var(--grv-card); color: var(--grv-text);
  padding: 22px; display: flex; flex-direction: column; justify-content: center;
  border: 1px solid var(--grv-line);
}
.cc2944aee h4 { color: var(--grv-brass); margin-bottom: 10px; }
.cc2944aee ol { padding-left: 18px; color: var(--grv-text-dim); font-size: .9rem; }
.cc193c1bb { padding: 14px 4px 0; }
.cc193c1bb h3 { font-size: 1.05rem; }
.cc193c1bb .c88819a5b { color: var(--grv-brass); font-weight: 700; }
.c6ebdb85a { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.cb1fd0a33 { font-size: .72rem; padding: 3px 10px; border-radius: 20px; background: rgba(200,169,81,.12); color: var(--grv-brass-soft); border: 1px solid var(--grv-line); }

/* ===== 卡片网格 ===== */
.c4707fe53 { display: grid; gap: 28px; }
.cfcda3f45 { grid-template-columns: repeat(2, 1fr); }
.ca7104371 { grid-template-columns: repeat(3, 1fr); }
.c2819d123 {
  background: var(--grv-card); border: 1px solid var(--grv-line); border-radius: var(--grv-radius);
  overflow: hidden; transition: transform .25s, box-shadow .25s; display: flex; flex-direction: column;
}
.c2819d123:hover { transform: translateY(-6px); box-shadow: var(--grv-shadow); }
.c2819d123 img { aspect-ratio: 4/3; object-fit: cover; }
.c055a34b1 { padding: 20px 22px; flex: 1; display: flex; flex-direction: column; }
.c055a34b1 h3 { font-size: 1.2rem; margin-bottom: 10px; }
.c055a34b1 p { color: var(--grv-text-dim); font-size: .92rem; flex: 1; }
.c055a34b1 .cb1e899d5 { margin-top: 14px; font-weight: 600; }

/* ===== 瀑布流 ===== */
.c3c23309b { columns: 3; column-gap: 24px; }
.c3c23309b .c2819d123 { display: inline-block; width: 100%; margin-bottom: 24px; }

/* ===== 时间轴 ===== */
.c497eea60 { position: relative; padding-left: 30px; }
.c497eea60::before { content: ""; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: var(--grv-line); }
.cc8bf2ff8 { position: relative; margin-bottom: 30px; background: var(--grv-card); border: 1px solid var(--grv-line); border-radius: var(--grv-radius); padding: 22px 24px; }
.cc8bf2ff8::before { content: ""; position: absolute; left: -27px; top: 26px; width: 14px; height: 14px; border-radius: 50%; background: var(--grv-brass); box-shadow: 0 0 10px var(--grv-brass); }
.c53aa41b3 { color: var(--grv-brass); font-weight: 700; font-size: .9rem; }
.cc8bf2ff8 h3 { margin: 6px 0 8px; }

/* ===== 地图与店铺联动 ===== */
.cdb37167d { display: grid; grid-template-columns: 1.2fr 1fr; gap: 30px; align-items: start; }
.cd1949009 { border-radius: var(--grv-radius); overflow: hidden; border: 1px solid var(--grv-line); position: sticky; top: 90px; }
.c5f136223 { display: flex; flex-direction: column; gap: 18px; }
.c10d0d67b { display: flex; gap: 16px; background: var(--grv-card); border: 1px solid var(--grv-line); border-radius: var(--grv-radius); padding: 14px; }
.c10d0d67b img { width: 110px; height: 90px; object-fit: cover; border-radius: 8px; flex-shrink: 0; }
.c10d0d67b h4 { color: var(--grv-brass); }
.c10d0d67b p { font-size: .85rem; color: var(--grv-text-dim); }

/* ===== Before/After 滑块 ===== */
.c39f220c3 { position: relative; max-width: 760px; margin: 0 auto; border-radius: var(--grv-radius); overflow: hidden; border: 1px solid var(--grv-line); user-select: none; }
.c39f220c3 img { display: block; width: 100%; }
.c64fc9041 { position: absolute; inset: 0; width: 50%; overflow: hidden; border-right: 3px solid var(--grv-brass); }
.c64fc9041 img { width: 760px; max-width: none; height: 100%; object-fit: cover; }
.c900f8556 { position: absolute; inset: 0; width: 100%; opacity: 0; cursor: ew-resize; }
.c7d79c33e { position: absolute; bottom: 12px; padding: 4px 12px; border-radius: 20px; background: rgba(13,13,13,.7); color: var(--grv-brass); font-size: .8rem; }
.c7d79c33e.ce539aa84 { left: 12px; } .c7d79c33e.c70c2d1e2 { right: 12px; }

/* ===== 器材连线拓扑图 ===== */
.c93d951e1 { background: var(--grv-card); border: 1px solid var(--grv-line); border-radius: var(--grv-radius); padding: 26px; }
.c96feab81 { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.c5dd78ef8 { flex: 1; min-width: 120px; text-align: center; padding: 18px 10px; border: 1px dashed var(--grv-brass); border-radius: 10px; background: rgba(200,169,81,.06); }
.c5dd78ef8 strong { display: block; color: var(--grv-brass); }
.c2b73b81c { color: var(--grv-brass); font-size: 1.6rem; }
.ce45113fc { margin-top: 18px; padding: 14px; border-radius: 10px; background: rgba(0,0,0,.35); font-size: .9rem; color: var(--grv-text-dim); }

/* ===== 试听转盘组件 ===== */
.cd92eb79a { display: flex; align-items: center; gap: 30px; background: var(--grv-card); border: 1px solid var(--grv-line); border-radius: var(--grv-radius); padding: 30px; flex-wrap: wrap; }
.cd92eb79a .c90591339 { width: 200px; height: 200px; }
.c2c7f3e17 { flex: 1; min-width: 220px; }
.c2c7f3e17 h3 { margin-bottom: 10px; }
.c2c7f3e17 .c4c5756e8 { font-size: .85rem; color: var(--grv-text-dim); margin-top: 8px; }

/* ===== 表格 ===== */
.c356f6e58 { width: 100%; border-collapse: collapse; font-size: .92rem; }
.c356f6e58 th, .c356f6e58 td { padding: 12px 14px; border: 1px solid var(--grv-line); text-align: left; }
.c356f6e58 th { background: rgba(200,169,81,.12); color: var(--grv-brass); }
.c356f6e58 tr:nth-child(even) td { background: rgba(255,255,255,.02); }

/* ===== 面包屑 ===== */
.c04d72a91 { font-size: .85rem; color: var(--grv-text-dim); padding: 18px 0; }
.c04d72a91 a { color: var(--grv-brass); }

/* ===== 内容文章排版 ===== */
.c9a6d4c09 { max-width: 860px; margin: 0 auto; }
.c9a6d4c09 h2 { font-size: 1.7rem; margin: 36px 0 16px; padding-left: 14px; border-left: 4px solid var(--grv-brass); }
.c9a6d4c09 h3 { font-size: 1.3rem; margin: 26px 0 12px; color: var(--grv-brass-soft); }
.c9a6d4c09 p { margin-bottom: 16px; }
.c9a6d4c09 ul, .c9a6d4c09 ol { margin: 0 0 16px 22px; color: var(--grv-text); }
.c9a6d4c09 li { margin-bottom: 8px; }
.c9a6d4c09 blockquote { border-left: 4px solid var(--grv-brass); background: var(--grv-card); padding: 16px 20px; margin: 20px 0; color: var(--grv-text-dim); border-radius: 0 10px 10px 0; }
.c9a6d4c09 figure { margin: 24px 0; }
.c9a6d4c09 figcaption { text-align: center; font-size: .82rem; color: var(--grv-text-dim); margin-top: 8px; }

/* ===== FAQ ===== */
.cafbdbe7c { border: 1px solid var(--grv-line); border-radius: 10px; margin-bottom: 14px; overflow: hidden; }
.c9ec034f5 { padding: 16px 20px; background: var(--grv-card); cursor: pointer; font-weight: 600; display: flex; justify-content: space-between; }
.c9ec034f5::after { content: "+"; color: var(--grv-brass); }
.cafbdbe7c.open .c9ec034f5::after { content: "–"; }
.c1df41808 { padding: 0 20px; max-height: 0; overflow: hidden; transition: all .3s; color: var(--grv-text-dim); }
.cafbdbe7c.open .c1df41808 { padding: 16px 20px; max-height: 400px; }

/* ===== 信息卡/E-E-A-T ===== */
.c6c7b91c9 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.c77374748 { background: var(--grv-card); border: 1px solid var(--grv-line); border-radius: var(--grv-radius); padding: 22px; text-align: center; }
.c77374748 .c2794bb92 { font-size: 2rem; color: var(--grv-brass); font-family: var(--grv-serif); }

/* ===== 搜索 ===== */
.c368ee08a { display: flex; gap: 12px; max-width: 640px; margin: 0 auto 30px; }
.c368ee08a input { flex: 1; padding: 14px 18px; border-radius: 40px; border: 1px solid var(--grv-line); background: var(--grv-card); color: var(--grv-text); font-size: 1rem; }
.c368ee08a input:focus { outline: none; border-color: var(--grv-brass); }
.c737bf090 { max-width: 760px; margin: 0 auto; }
.c737bf090 a { display: block; padding: 16px 18px; border: 1px solid var(--grv-line); border-radius: 10px; margin-bottom: 12px; background: var(--grv-card); }
.c737bf090 a:hover { border-color: var(--grv-brass); }
.c737bf090 .grv-sr-url { color: var(--grv-text-dim); font-size: .8rem; }

/* ===== 表单 ===== */
.ce804e6c2 { display: grid; gap: 16px; max-width: 620px; }
.ce804e6c2 label { font-size: .9rem; color: var(--grv-brass-soft); }
.ce804e6c2 input, .ce804e6c2 select, .ce804e6c2 textarea {
  width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--grv-line);
  background: var(--grv-card); color: var(--grv-text); font-size: .95rem; font-family: var(--grv-sans);
}
.ce804e6c2 input:focus, .ce804e6c2 select:focus, .ce804e6c2 textarea:focus { outline: none; border-color: var(--grv-brass); }

/* ===== 选座 ===== */
.cce1c4975 { display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; max-width: 480px; }
.cdf785778 { aspect-ratio: 1/1; border-radius: 6px; background: var(--grv-card); border: 1px solid var(--grv-line); cursor: pointer; display: flex; align-items: center; justify-content: center; font-size: .7rem; color: var(--grv-text-dim); }
.cdf785778.sel { background: var(--grv-brass); color: #1a1a1a; }
.cdf785778.cbfb72be1 { background: #333; cursor: not-allowed; opacity: .5; }

/* ===== 页脚 ===== */
.cbb96f01e { background: #080808; border-top: 1px solid var(--grv-line); padding: 56px 0 26px; margin-top: 40px; }
.cc8487a0e { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.cbb96f01e h4 { color: var(--grv-brass); margin-bottom: 14px; font-size: 1rem; }
.cbb96f01e ul { list-style: none; }
.cbb96f01e li { margin-bottom: 9px; }
.cbb96f01e a { color: var(--grv-text-dim); font-size: .9rem; }
.cbb96f01e a:hover { color: var(--grv-brass); }
.cbb96f01e .c34976d6a { color: var(--grv-text-dim); font-size: .88rem; }
.cb081a130 { text-align: center; color: var(--grv-text-dim); font-size: .82rem; border-top: 1px solid var(--grv-line); margin-top: 36px; padding-top: 22px; }

/* ===== 通用工具 ===== */
.c63a5c467 { font-size: 1.1rem; color: var(--grv-text-dim); }
.grv-divider { height: 1px; background: var(--grv-line); margin: 40px 0; }
.cf5cc26f5 { text-align: center; }
.ce74fc1aa { margin-top: 30px; }
.c9ef634a0 { border-radius: var(--grv-radius); overflow: hidden; margin: 24px 0; border: 1px solid var(--grv-line); }

/* ===== 响应式断点 ===== */
@media (max-width: 980px) {
  .c9f1d6c3a { grid-template-columns: 1fr; text-align: center; }
  .c269d086d { order: -1; }
  .c3abc05b5 p { margin-left: auto; margin-right: auto; }
  .ca7104371 { grid-template-columns: repeat(2, 1fr); }
  .c3c23309b { columns: 2; }
  .cdb37167d { grid-template-columns: 1fr; }
  .cd1949009 { position: static; }
  .cc8487a0e { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .c15a24a29 { display: none; position: absolute; top: 68px; left: 0; right: 0; flex-direction: column; background: var(--grv-bg); padding: 18px 20px; border-bottom: 1px solid var(--grv-line); }
  .c15a24a29.open { display: flex; }
  .c21807e33 { display: block; }
  .c3abc05b5 h1 { font-size: 2.1rem; }
  .c90591339 { width: 260px; height: 260px; }
  .cfcda3f45, .ca7104371 { grid-template-columns: 1fr; }
  .c3c23309b { columns: 1; }
  .c6c7b91c9 { grid-template-columns: 1fr 1fr; }
  .c6a35ceb7 h2 { font-size: 1.6rem; }
  .cc8487a0e { grid-template-columns: 1fr; }
  .cce1c4975 { grid-template-columns: repeat(6,1fr); }
}