@font-face {
  font-family: "GMK Sans";
  src: url("fonts/montserrat-400.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "GMK Sans";
  src: url("fonts/montserrat-500.woff2") format("woff2");
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "GMK Sans";
  src: url("fonts/montserrat-600.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "GMK Sans";
  src: url("fonts/montserrat-700.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: "GMK Sans";
  src: url("fonts/montserrat-800.woff2") format("woff2");
  font-weight: 800;
  font-display: swap;
}

:root {
  --bg: #fbfbfd;
  --card: #ffffff;
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --ink-3: #86868b;
  --line: #d2d2d7;
  --line-soft: #e8e8ed;
  --blue: #0071e3;
  --blue-hover: #0077ed;
  --radius: 18px;
  --radius-lg: 28px;
  --ease: cubic-bezier(.25, .1, .25, 1);
  --font: "GMK Sans", -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-num: "GMK Sans", "SF Pro Display", "Helvetica Neue", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.47;
  letter-spacing: -.01em;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 22px; }

/* ---------- 顶部进度条 ---------- */
#progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0;
  background: var(--ink);
  z-index: 300;
  transition: width .06s linear;
}

/* ---------- 导航（Apple 风细条） ---------- */
.nav {
  position: sticky; top: 0; z-index: 120;
  background: rgba(251, 251, 253, .82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line-soft);
}
.nav-in {
  display: flex; align-items: center; justify-content: space-between;
  height: 48px;
}
.nav-logo {
  font-size: 15px; font-weight: 600; letter-spacing: -.02em;
}
.nav-links { font-size: 11.5px; color: var(--ink-2); letter-spacing: .02em; }

/* ---------- Hero ---------- */
.hero {
  padding: 88px 22px 56px;
  max-width: 1080px;
  margin: 0 auto;
  text-align: center;
}
.hero-copy h1 {
  margin: 0;
  font-size: clamp(48px, 7.6vw, 96px);
  font-weight: 700;
  letter-spacing: -.035em;
  line-height: 1.04;
}
.hero-copy h1 .dot { color: var(--ink-3); }
.hero-sub {
  margin: 22px auto 0;
  max-width: 620px;
  font-size: clamp(17px, 2.1vw, 23px);
  line-height: 1.45;
  color: var(--ink-2);
  letter-spacing: -.01em;
}
.hero-cta {
  margin-top: 34px;
  display: flex; align-items: center; justify-content: center; gap: 20px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  height: 44px; padding: 0 26px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 15px; font-weight: 500;
  letter-spacing: -.01em;
  transition: background .2s var(--ease), transform .2s var(--ease);
}
.btn-primary:hover { background: var(--blue-hover); }
.btn-primary:active { transform: scale(.98); }
.hero-meta { font-size: 13px; color: var(--ink-3); }

.hero-visual {
  margin-top: 56px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--card);
  box-shadow: 0 30px 80px -40px rgba(0, 0, 0, .28);
}
.hero-visual img {
  width: 100%;
  height: clamp(240px, 40vw, 440px);
  object-fit: cover;
}
.hero-visual .cap {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 22px;
  font-size: 13px;
  color: var(--ink-2);
  border-top: 1px solid var(--line-soft);
}
.hero-visual .cap b { color: var(--ink); font-weight: 600; }

/* ---------- 悬停搜索栏 ---------- */
.toolbar {
  position: sticky; top: 48px; z-index: 110;
  background: rgba(251, 251, 253, .86);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line-soft);
}
.toolbar-in {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0;
}
.searchbox {
  flex: 1;
  display: flex; align-items: center; gap: 9px;
  height: 42px;
  padding: 0 16px;
  border-radius: 12px;
  background: #f0f0f2;
  border: 1px solid transparent;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.searchbox:focus-within { background: #fff; border-color: var(--line); }
.searchbox svg { width: 16px; height: 16px; fill: none; stroke: var(--ink-3); stroke-width: 1.6; stroke-linecap: round; flex: none; }
.searchbox input {
  flex: 1; min-width: 0;
  border: 0; outline: 0; background: transparent;
  font: inherit; font-size: 15px; color: var(--ink); letter-spacing: -.01em;
}
.searchbox input::placeholder { color: var(--ink-3); }

.filter-btn {
  display: inline-flex; align-items: center; gap: 7px;
  height: 42px; padding: 0 16px;
  border-radius: 12px;
  border: 1px solid var(--line-soft);
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  cursor: pointer;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.filter-btn svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; }
.filter-btn:hover { border-color: var(--line); }
.filter-btn.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.filter-btn em {
  font-style: normal;
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 17px; height: 17px; padding: 0 5px;
  border-radius: 999px;
  background: var(--blue); color: #fff;
  font-size: 11px; font-weight: 600;
}

/* ---------- 筛选面板 ---------- */
main { min-height: 40vh; }
.filters {
  padding: 26px 0 8px;
  border-bottom: 1px solid var(--line-soft);
  animation: panelIn .3s var(--ease) both;
}
.filters[hidden] { display: none; }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}
.fgroup { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.chip {
  font-size: 13px;
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  background: #fff;
  color: var(--ink-2);
  cursor: pointer;
  transition: all .18s var(--ease);
  user-select: none;
}
.chip:hover { color: var(--ink); border-color: var(--line); }
.chip.on {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}

.resultline {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px;
  padding: 26px 0 0;
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-2);
}
.resultline b { color: var(--ink); font-weight: 600; }
.fine { font-size: 12px; color: var(--ink-3); letter-spacing: .01em; }

/* ---------- 区块 ---------- */
.section { padding: 44px 0 8px; }
.sec-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 18px; flex-wrap: wrap;
  margin-bottom: 22px;
}
.sec-head h2 {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -.025em;
}
.tabs { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------- 精选卡（Apple 风大卡） ---------- */
.budget-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.bcard {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.bcard:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 60px -34px rgba(0, 0, 0, .3);
}
.bcard .thumb {
  aspect-ratio: 3 / 2;
  background: #f5f5f7;
  overflow: hidden;
}
.bcard .thumb img { width: 100%; height: 100%; object-fit: contain; padding: 10px; transition: transform .5s var(--ease); }
.bcard:hover .thumb img { transform: scale(1.03); }
.bcard .bt { padding: 16px 18px 0; font-size: 16px; font-weight: 600; letter-spacing: -.015em; }
.bcard .bb { padding: 3px 18px 0; font-size: 13px; color: var(--ink-2); }
.bcard .bp { padding: 10px 18px 18px; font-size: 15px; font-weight: 500; }

/* ---------- 全部型号网格 ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px 20px;
}
.card {
  background: transparent;
  cursor: pointer;
  transition: opacity .2s var(--ease);
}
.card:hover { opacity: .82; }
.card .thumb {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius);
  overflow: hidden;
  background: #f5f5f7;
}
.card .thumb img { width: 100%; height: 100%; object-fit: contain; padding: 12px; }
.card .thumb svg.kb { width: 100%; height: 100%; }
.card .cbody { padding: 13px 2px 0; }
.card .cmeta { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card .cbrand { font-size: 12px; color: var(--ink-3); letter-spacing: .01em; }
.card .badge {
  font-size: 11px;
  color: var(--ink-2);
  padding: 2px 8px;
  border-radius: 999px;
  background: #f0f0f2;
}
.card h3 {
  margin: 5px 0 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -.02em;
}
.card .cprice { margin-top: 4px; font-size: 14.5px; color: var(--ink); }
.card .cprice small { font-size: 12px; color: var(--ink-3); margin-left: 6px; }
.card .cspec, .card .cnote { display: none; }

.empty { text-align: center; color: var(--ink-3); padding: 60px 0; }

/* ---------- 详情页 ---------- */
.back {
  display: inline-block;
  margin: 26px 0 22px;
  font-size: 14px;
  color: var(--blue);
}
.detail-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: start;
}
.detail-visual {
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
}
.detail-visual .brandmark {
  position: absolute; top: 16px; left: 18px;
  font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--ink-3);
}
.detail-visual img.big {
  width: 100%;
  height: clamp(280px, 40vw, 460px);
  object-fit: cover;
}
.detail-visual .photonote { padding: 12px 18px; font-size: 12px; color: var(--ink-3); border-top: 1px solid var(--line-soft); }
.detail-info h2 {
  margin: 0;
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.08;
}
.brandline { margin-top: 8px; font-size: 14px; color: var(--ink-2); }
.detail-price {
  margin-top: 26px;
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 600;
  letter-spacing: -.02em;
}
.detail-price small { font-size: 14px; color: var(--ink-3); font-weight: 400; margin-left: 8px; }
.realtime { margin-top: 6px; font-size: 13px; color: var(--ink-3); }
.buy-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.buy {
  display: inline-flex; align-items: center; justify-content: center;
  height: 40px; padding: 0 20px;
  border-radius: 999px;
  background: #f0f0f2;
  color: var(--ink);
  font-size: 14px;
  transition: background .2s var(--ease);
}
.buy:hover { background: #e6e6ea; }
.buy.primary { background: var(--ink); color: #fff; }
.buy.primary:hover { background: #000; }

.detail-specs { margin-top: 32px; border-top: 1px solid var(--line-soft); }
.detail-specs .row {
  display: flex; align-items: baseline; justify-content: space-between; gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}
.detail-specs .row span:first-child { color: var(--ink-2); }
.detail-specs .row span:last-child { font-weight: 500; text-align: right; }
.detail-note {
  margin: 22px 0 0;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.55;
}

.detail-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 44px;
}
.detail-gallery .g {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  display: grid;
  grid-template-rows: 1fr auto;
}
.detail-gallery .g img.photo, .detail-gallery .g svg {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: #f5f5f7;
}
.detail-gallery .cap { padding: 10px 14px; font-size: 12px; color: var(--ink-3); border-top: 1px solid var(--line-soft); }

/* ---------- 页脚 ---------- */
footer {
  padding: 26px 22px 46px;
  border-top: 1px solid var(--line-soft);
  font-size: 12px;
  color: var(--ink-3);
}
footer p { margin: 0; }

/* ---------- 进入动画 ---------- */
.reveal { animation: rise .5s var(--ease) both; }
@keyframes rise { from { transform: translateY(12px); } to { transform: none; } }

/* ---------- 响应式 ---------- */
@media (max-width: 920px) {
  .budget-grid, .grid { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; gap: 30px; }
  .detail-gallery { grid-template-columns: repeat(2, 1fr); }
  .hero { padding: 64px 22px 40px; }
  .hero-visual { margin-top: 40px; }
}
@media (max-width: 620px) {
  .budget-grid, .grid, .detail-gallery { grid-template-columns: 1fr; }
  .toolbar-in { flex-wrap: wrap; }
  .searchbox { min-width: 100%; }
}

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


/* ---------- 苹果式细节（追加） ---------- */
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { font-size: 12px; color: var(--ink-2); transition: color .18s var(--ease); }
.nav-links a:hover { color: var(--ink); }
.nav-count {
  font-size: 11px; color: var(--ink-3);
  padding-left: 22px; border-left: 1px solid var(--line-soft);
}
.btn-ghost {
  display: inline-flex; align-items: center;
  height: 44px; padding: 0 4px;
  color: var(--blue);
  font-size: 15px; font-weight: 500;
}
.btn-ghost:hover { text-decoration: underline; }

/* 卡片：苹果式 hover */
.card, .bcard { transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.card:hover, .bcard:hover { transform: translateY(-4px); box-shadow: 0 22px 44px -22px rgba(0,0,0,.22); }
.card .thumb img, .bcard .thumb img { transition: transform .55s var(--ease); }
.card:hover .thumb img, .bcard:hover .thumb img { transform: scale(1.045); }

/* 页脚：苹果灰底 */
.foot {
  margin-top: 72px;
  background: #f5f5f7;
  border-top: 1px solid var(--line-soft);
  padding: 44px 0 26px;
}
.foot-cols {
  display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 32px;
}
.foot-cols h4 {
  margin: 0 0 12px; font-size: 12px; font-weight: 600; color: var(--ink);
  letter-spacing: 0;
}
.foot-cols a {
  display: block; margin-bottom: 9px;
  font-size: 12px; color: var(--ink-2);
}
.foot-cols a:hover { color: var(--ink); text-decoration: underline; }
.foot-cols p { margin: 0 0 8px; font-size: 12px; color: var(--ink-3); line-height: 1.5; }
.foot-bar {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  margin-top: 34px; padding-top: 18px;
  border-top: 1px solid #dcdce1;
  font-size: 11.5px; color: var(--ink-3);
}

@media (max-width: 860px) {
  .foot-cols { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .nav-links a:not(:first-child) { display: none; }
  .nav-count { border-left: 0; padding-left: 0; }
}



/* ---------- 暗色模式 ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #1d1d1f;
    --ink: #f5f5f7;
    --ink-2: #a1a1a6;
    --ink-3: #86868b;
    --line: #424245;
    --line-soft: #2d2d2f;
  }
  .nav, .toolbar { background: rgba(0,0,0,.72); }
  .searchbox { background: #1d1d1f; }
  .searchbox:focus-within { background: #2d2d2f; }
  .filter-btn { background: #1d1d1f; border-color: var(--line-soft); }
  .filter-btn.on { background: #f5f5f7; color: #000; border-color: #f5f5f7; }
  .card, .bcard { background: var(--card); }
  .card .thumb, .bcard .thumb { background: #26262a; }
  .hero-visual { background: var(--card); box-shadow: none; }
  .foot { background: #161617; border-top-color: var(--line-soft); }
  .foot-bar { border-top-color: var(--line-soft); }
  .btn-primary { background: #0071e3; }
  .tab.on, .chip.on { background: #f5f5f7; color: #000; }
  /* 暗色补丁：按钮与说明文字 */
  .buy { background: #2d2d2f; color: var(--ink); }
  .buy:hover { background: #3a3a3c; }
  .buy.primary { background: #f5f5f7; color: #000; }
  .buy.primary:hover { background: #fff; }
  .detail-visual .photonote { border-top-color: var(--line-soft); }
  .detail-specs { border-top-color: var(--line-soft); }
  .detail-specs .row { border-bottom-color: var(--line-soft); }
  .bcard .bt, .card h3 { color: var(--ink); }
  .hero-visual .cap { border-top-color: var(--line-soft); }
}

/* ---------- Hero 轮换与相关型号 ---------- */
.hero-img { transition: opacity .22s var(--ease); }
.hero-img.fade { opacity: 0; }
.related { margin-top: 56px; }
.related h3 {
  margin: 0 0 18px; font-size: 24px; font-weight: 700; letter-spacing: -.02em;
}


/* ---------- 导航下拉（Apple 式页眉） ---------- */
.nav { position: sticky; top: 0; z-index: 130; }
.nav-item {
  appearance: none; border: 0; background: none; padding: 0;
  font-size: 12px; color: var(--ink-2); cursor: pointer;
  transition: color .18s var(--ease);
}
.nav-item:hover, .nav-item[aria-expanded="true"] { color: var(--ink); }
.nav-item[aria-expanded="true"]::after {
  content: ""; display: block; height: 1.5px; background: var(--ink);
  margin-top: 3px;
}
.nav-panel {
  position: absolute; left: 0; right: 0; top: 48px;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-bottom: 1px solid var(--line-soft);
  box-shadow: 0 24px 48px -28px rgba(0,0,0,.25);
  overflow: hidden;
  animation: panelIn .32s var(--ease) both;
}
.nav-panel[hidden] { display: none; }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}
.nav-panel-in {
  display: grid; grid-template-columns: 210px 1fr;
  gap: 48px; padding: 34px 22px 42px;
  min-height: 320px;
}
.np-side h5 {
  margin: 0 0 12px; font-size: 11px; font-weight: 600;
  color: var(--ink-3); letter-spacing: .05em; text-transform: uppercase;
}
.np-item {
  appearance: none; border: 0; background: none;
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 9px 10px; margin: 0 -10px;
  border-radius: 8px;
  font-size: 13.5px; color: var(--ink); cursor: pointer;
  transition: background .16s var(--ease), color .16s var(--ease);
}
.np-item span { font-size: 11px; color: var(--ink-3); }
.np-item:hover { background: var(--line-soft); }
.np-item.on { color: var(--blue); font-weight: 600; }
.np-item.on span { color: var(--blue); }
.np-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 20px;
}
.np-card { cursor: pointer; }
.np-thumb {
  height: 104px; border-radius: 12px;
  background: #f5f5f7;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.np-card:hover .np-thumb { transform: translateY(-3px); box-shadow: 0 12px 26px -14px rgba(0,0,0,.3); }
.np-thumb img { max-width: 100%; max-height: 100%; object-fit: contain; padding: 10px; }
.np-name { margin-top: 9px; font-size: 12.5px; color: var(--ink); letter-spacing: -.01em; }
.np-price { margin-top: 3px; font-size: 12px; color: var(--ink-3); }
.np-more {
  display: inline-block; margin-top: 20px;
  font-size: 13px; color: var(--blue);
}
.np-more:hover { text-decoration: underline; }

@media (max-width: 860px) {
  .nav-panel-in { grid-template-columns: 1fr; gap: 24px; padding: 24px 22px 30px; min-height: 0; }
  .np-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .np-thumb { height: 92px; }
}

/* 页面切换渐出 */
.view-anim { animation: viewIn .42s var(--ease) both; }
@keyframes viewIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-color-scheme: dark) {
  .nav-panel { background: rgba(29,29,31,.94); box-shadow: 0 24px 48px -28px rgba(0,0,0,.8); }
}

/* ---------- 图片灯箱 ---------- */
.lightbox {
  position: fixed; inset: 0; z-index: 999;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0, 0, 0, .94);
  opacity: 0; pointer-events: none;
  transition: opacity .25s var(--ease);
}
.lightbox.on { opacity: 1; pointer-events: auto; }
.lightbox img { max-width: 92vw; max-height: 88vh; object-fit: contain; border-radius: 10px; background: #fff; }
.lightbox .lb-close {
  position: absolute; top: 22px; right: 26px;
  width: 42px; height: 42px; border-radius: 50%;
  border: 0; background: rgba(255,255,255,.16); color: #fff;
  font-size: 20px; line-height: 1; cursor: pointer;
}
.lightbox .lb-close:hover { background: rgba(255,255,255,.28); }
.lightbox .lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 46px; height: 46px; border-radius: 50%;
  border: 0; background: rgba(255,255,255,.14); color: #fff;
  font-size: 22px; cursor: pointer;
}
.lightbox .lb-nav:hover { background: rgba(255,255,255,.26); }
.lightbox .lb-prev { left: 26px; }
.lightbox .lb-next { right: 26px; }
.lightbox .lb-cap { position: absolute; bottom: 28px; left: 0; right: 0; text-align: center; color: rgba(255,255,255,.7); font-size: 13px; }
.detail-visual .photo.big, .detail-gallery img { cursor: zoom-in; }

/* ---------- 层次感加强（滚动渐入 / 悬停 / 版面） ---------- */
.reveal {
  animation: riseChrome .85s cubic-bezier(.16, .84, .44, 1) both;
}
@keyframes riseChrome {
  from { opacity: 0; transform: translateY(58px) scale(.965); filter: blur(7px); }
  to { opacity: 1; transform: none; filter: blur(0); }
}

/* hero 首屏缩放（Ken Burns） */
.hero-visual img { animation: heroZoom 1.8s cubic-bezier(.16, .84, .44, 1) both; }
@keyframes heroZoom {
  from { transform: scale(1.1); }
  to { transform: scale(1); }
}

/* 页眉面板下落展开 */
.nav-panel { animation: panelDrop .4s cubic-bezier(.16, .84, .44, 1) both; }
@keyframes panelDrop {
  from { opacity: 0; transform: translateY(-12px) scaleY(.94); transform-origin: top; }
  to { opacity: 1; transform: none; }
}

/* 卡片图片悬停放大 */
.card .thumb img { transition: transform .55s cubic-bezier(.16, .84, .44, 1); }
.card:hover .thumb img, .bcard:hover .thumb img { transform: scale(1.09); }

.card:hover, .bcard:hover {
  transform: translateY(-7px);
  box-shadow: 0 30px 58px -26px rgba(0, 0, 0, .42);
}
.card:hover h3, .bcard:hover .bt { color: var(--blue); }

.section { padding: 62px 0; }
.sec-head { margin-bottom: 26px; }
.sec-head h2 { font-size: clamp(26px, 3.1vw, 34px); letter-spacing: -.03em; }
.grid { gap: 26px; }
.budget-grid { gap: 22px; }

.hero-visual { will-change: transform; }
.hero-copy h1 {
  animation: heroIn 1s cubic-bezier(.2, .7, .3, 1) both;
}
.hero-copy p, .hero-cta {
  animation: heroIn .9s cubic-bezier(.2, .7, .3, 1) .12s both;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 860px) {
  .section { padding: 44px 0; }
  .grid { gap: 18px; }
}

/* 加载更多按钮 */
.more-btn {
  display: block; margin: 36px auto 0; padding: 13px 30px;
  border: 1px solid var(--line); border-radius: 980px;
  background: transparent; color: var(--blue);
  font-size: 14px; font-weight: 500; cursor: pointer;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.more-btn:hover { background: rgba(0,113,247,.06); border-color: var(--blue); }