/* ==========================================================================
   wuhaohan 应用中心 · theme.css
   深色影院玻璃风 / 琥珀单强调色 / 纯静态无依赖
   适用：index.html、apps/video.html（旧三页仍用 style.css）
   ========================================================================== */

:root {
  --bg: #07090f;
  --bg-2: #0b0e17;
  --ink: #eceef4;
  --mut: #98a1b3;
  --dim: #6b7385;
  --line: rgba(255, 255, 255, .08);
  --line-2: rgba(255, 255, 255, .14);
  --glass: rgba(255, 255, 255, .045);
  --glass-2: rgba(255, 255, 255, .07);
  --acc: #f0a44a;
  --acc-2: #ffbe6b;
  --acc-dim: rgba(240, 164, 74, .14);
  --ok: #7dc98f;
  --r-lg: 26px;
  --r-md: 18px;
  --r-sm: 12px;
  --wrap: 1180px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

::selection { background: rgba(240, 164, 74, .32); }

/* ---------- 背景光晕 ---------- */
.orbs { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; will-change: transform; }
.orb-a { width: 560px; height: 560px; left: -160px; top: -180px;
  background: radial-gradient(circle, rgba(240,164,74,.16), transparent 65%); animation: drift 16s ease-in-out infinite; }
.orb-b { width: 640px; height: 640px; right: -200px; top: 12%;
  background: radial-gradient(circle, rgba(91,140,255,.10), transparent 65%); animation: drift 20s ease-in-out infinite reverse; }
.orb-c { width: 480px; height: 480px; left: 30%; bottom: -220px;
  background: radial-gradient(circle, rgba(240,164,74,.08), transparent 65%); animation: drift 24s ease-in-out infinite; }
@keyframes drift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(40px, -30px, 0) scale(1.08); }
}

/* ---------- 导航 ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 90; transition: background .35s, border-color .35s, backdrop-filter .35s; border-bottom: 1px solid transparent; }
.nav.on { background: rgba(7, 9, 15, .72); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); border-bottom-color: var(--line); }
.nav-inner { display: flex; align-items: center; gap: 30px; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: .01em; }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, #f0a44a, #d97b2e); color: #16100a; font-weight: 800; font-size: 17px;
  box-shadow: 0 4px 18px rgba(240, 164, 74, .35); }
.brand small { display: block; font-size: 11px; font-weight: 500; color: var(--mut); letter-spacing: .22em; margin-top: -2px; }
.nav-links { display: flex; gap: 26px; margin-left: auto; font-size: 14.5px; color: var(--mut); }
.nav-links a { position: relative; padding: 6px 0; transition: color .25s; }
.nav-links a:hover, .nav-links a.on { color: var(--ink); }
.nav-links a.on::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; border-radius: 2px; background: var(--acc); }
.nav-cta { flex-shrink: 0; }

/* 移动端菜单 */
.nav-burger { display: none; margin-left: auto; width: 42px; height: 42px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--glass); color: var(--ink); font-size: 18px; }
.m-menu { display: none; position: fixed; inset: 68px 0 0 0; z-index: 89; background: rgba(7, 9, 15, .96); backdrop-filter: blur(20px);
  padding: 40px 28px; flex-direction: column; gap: 6px; }
.m-menu.open { display: flex; }
.m-menu a { padding: 14px 10px; font-size: 18px; border-bottom: 1px solid var(--line); color: var(--ink); }
.m-menu a small { display: block; font-size: 12.5px; color: var(--mut); }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; gap: 9px; border-radius: 999px; font-size: 15px; font-weight: 600;
  padding: 13px 26px; border: 1px solid transparent; transition: transform .2s, box-shadow .25s, background .25s, border-color .25s;
  will-change: transform; }
.btn:active { transform: scale(.97); }
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: linear-gradient(135deg, var(--acc-2), var(--acc) 55%, #dd8c33); color: #1a1206;
  box-shadow: 0 6px 26px rgba(240, 164, 74, .35); }
.btn-primary:hover { box-shadow: 0 8px 34px rgba(240, 164, 74, .5); }
.btn-ghost { border-color: var(--line-2); color: var(--ink); background: var(--glass); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: rgba(240, 164, 74, .5); background: var(--acc-dim); }
.btn-sm { padding: 9px 18px; font-size: 13.5px; }
.btn[disabled] { opacity: .45; cursor: not-allowed; box-shadow: none; }

/* ---------- 徽章 / 玻璃卡 ---------- */
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 7px 15px; border-radius: 999px;
  border: 1px solid rgba(240, 164, 74, .35); background: var(--acc-dim); color: var(--acc-2);
  font-size: 13px; font-weight: 600; letter-spacing: .04em; }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--acc); animation: pulse 2.2s infinite; }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(240,164,74,.5); } 55% { box-shadow: 0 0 0 6px rgba(240,164,74,0); } }

.glass { background: var(--glass); border: 1px solid var(--line); border-radius: var(--r-lg);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06), 0 20px 50px rgba(0, 0, 0, .35); }

/* 聚光边框卡：JS 注入 --mx/--my */
.spot { position: relative; overflow: hidden; }
.spot::before { content: ""; position: absolute; inset: 0; border-radius: inherit; opacity: 0; transition: opacity .35s; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(240, 164, 74, .12), transparent 45%); }
.spot:hover::before { opacity: 1; }
.spot::after { content: ""; position: absolute; inset: 0; border-radius: inherit; opacity: 0; transition: opacity .35s; pointer-events: none;
  padding: 1px; background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(240,164,74,.55), transparent 45%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; }
.spot:hover::after { opacity: 1; }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100dvh; display: flex; align-items: center; padding: 130px 0 90px; overflow: hidden; }
.hero-bg { position: absolute; inset: -12% -6%; z-index: -1; background-size: cover; background-position: center;
  opacity: .16; filter: saturate(1.1); will-change: transform; }
.hero-bg::after { content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,9,15,.55) 0%, rgba(7,9,15,.82) 55%, var(--bg) 100%); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }

.hero h1 { font-size: clamp(38px, 5.2vw, 62px); line-height: 1.16; letter-spacing: -.02em; font-weight: 800; margin: 22px 0 20px; }
.hero h1 em { font-style: normal; color: transparent; background: linear-gradient(100deg, var(--acc-2), var(--acc) 60%, #e08a2e);
  -webkit-background-clip: text; background-clip: text; }
.hero .lead { font-size: 17px; color: var(--mut); max-width: 56ch; }
.hero-actions { display: flex; gap: 16px; margin-top: 34px; flex-wrap: wrap; }

/* 首屏入场 */
.boot { opacity: 0; transform: translateY(26px); animation: boot .9s cubic-bezier(.16,1,.3,1) forwards; animation-delay: var(--d, 0s); }
@keyframes boot { to { opacity: 1; transform: none; } }

/* ---------- 手机样机 ---------- */
.device-zone { position: relative; display: grid; place-items: center; min-height: 560px; }
.phone { position: relative; width: 264px; border-radius: 40px; padding: 10px;
  background: linear-gradient(160deg, #2a2f3d, #10131c 40%, #232837);
  box-shadow: 0 40px 90px rgba(0, 0, 0, .6), inset 0 1px 0 rgba(255,255,255,.14), 0 0 0 1px rgba(255,255,255,.06);
  animation: hover-float 7s ease-in-out infinite; will-change: transform; }
.phone .scr { border-radius: 31px; overflow: hidden; background: #0a0c12; }
.phone .scr img { width: 100%; }
.phone .notch { position: absolute; top: 18px; left: 50%; transform: translateX(-50%); width: 86px; height: 22px; border-radius: 12px; background: #06070b; z-index: 2; }
@keyframes hover-float { 0%, 100% { transform: translateY(0) rotate(-1.2deg); } 50% { transform: translateY(-16px) rotate(1.2deg); } }

.chip-float { position: absolute; display: flex; align-items: center; gap: 9px; padding: 11px 17px; border-radius: 15px;
  background: rgba(13, 16, 25, .82); border: 1px solid var(--line-2); backdrop-filter: blur(14px);
  font-size: 13.5px; font-weight: 600; box-shadow: 0 14px 40px rgba(0,0,0,.45); white-space: nowrap; }
.chip-float svg { width: 17px; height: 17px; color: var(--acc); flex-shrink: 0; }
.cf-1 { top: 12%; right: 4%; animation: hover-float 6s ease-in-out .8s infinite; }
.cf-2 { bottom: 20%; left: 0; animation: hover-float 8s ease-in-out 1.6s infinite; }
.cf-3 { bottom: 2%; right: 10%; animation: hover-float 7s ease-in-out .4s infinite; }

/* ---------- 跑马灯 ---------- */
.marquee { border-block: 1px solid var(--line); background: rgba(255,255,255,.02); overflow: hidden; padding: 17px 0; }
.marquee-track { display: flex; gap: 54px; width: max-content; animation: marq 36s linear infinite; will-change: transform; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span { display: flex; align-items: center; gap: 54px; font-size: 14px; font-weight: 600; letter-spacing: .14em;
  color: var(--dim); white-space: nowrap; }
.marquee i { font-style: normal; color: var(--acc); opacity: .7; }
@keyframes marq { to { transform: translateX(-50%); } }

/* ---------- 区块 ---------- */
section { padding: 96px 0; position: relative; }
.sec-head { max-width: 640px; margin-bottom: 52px; }
.sec-kicker { font-size: 12.5px; font-weight: 700; letter-spacing: .3em; color: var(--acc); text-transform: uppercase; margin-bottom: 12px; }
.sec-title { font-size: clamp(28px, 3.4vw, 40px); letter-spacing: -.02em; line-height: 1.22; font-weight: 800; }
.sec-sub { color: var(--mut); margin-top: 14px; }

/* ---------- 主推卡（首页） ---------- */
.feat-card { display: grid; grid-template-columns: 1.02fr .98fr; gap: 46px; align-items: center; padding: 52px; }
.feat-card .tag { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 700; letter-spacing: .18em;
  color: var(--acc); margin-bottom: 16px; }
.feat-card h3 { font-size: clamp(26px, 3vw, 36px); letter-spacing: -.02em; line-height: 1.22; }
.feat-card h3 a:hover { color: var(--acc-2); }
.feat-card p { color: var(--mut); margin: 16px 0 22px; }
.ticks { display: grid; grid-template-columns: 1fr 1fr; gap: 11px 22px; margin-bottom: 30px; }
.ticks li { list-style: none; display: flex; gap: 10px; align-items: baseline; font-size: 14.5px; color: var(--ink); }
.ticks li::before { content: ""; flex-shrink: 0; width: 7px; height: 7px; border-radius: 2px; background: var(--acc); transform: rotate(45deg) translateY(-1px); }
.feat-shot { border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--line-2); box-shadow: 0 30px 70px rgba(0,0,0,.5);
  transform: perspective(1200px) rotateY(-4deg); transition: transform .5s cubic-bezier(.16,1,.3,1); }
.feat-card:hover .feat-shot { transform: perspective(1200px) rotateY(0deg) scale(1.015); }
/* [2026-10-21] 单图兜底：竖图不再撑满半页（避免"超过一页、文字区空白多"），等比缩放并居中 */
.feat-shot img { width: auto; max-width: 100%; max-height: 64vh; display: block; margin: 0 auto; }
@media (max-width: 820px){ .feat-shot img { max-height: none; width: 100%; } }

/* ---------- 应用网格（首页） ---------- */
.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.app-card { padding: 34px 30px; display: flex; flex-direction: column; gap: 6px; transition: transform .35s cubic-bezier(.16,1,.3,1); }
.app-card:hover { transform: translateY(-6px); }
.app-card .ic { width: 54px; height: 54px; border-radius: 15px; overflow: hidden; border: 1px solid var(--line-2);
  box-shadow: 0 10px 26px rgba(0,0,0,.4); margin-bottom: 16px; }
.app-card h3 { font-size: 19px; letter-spacing: -.01em; }
.app-card h3 a:hover { color: var(--acc-2); }
.app-card .ver { font-size: 12.5px; color: var(--dim); letter-spacing: .06em; }
.app-card p { font-size: 14.5px; color: var(--mut); flex: 1; }
.plat { display: flex; gap: 8px; margin-top: 18px; }
.plat span { font-size: 12px; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--line); color: var(--mut); background: rgba(255,255,255,.03); }

/* ---------- 数据带 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; text-align: center; }
.stat { padding: 34px 16px; }
.stat b { display: block; font-size: clamp(34px, 4vw, 46px); font-weight: 800; letter-spacing: -.03em;
  background: linear-gradient(180deg, var(--ink), #b8ab8f); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat b i { font-style: normal; color: var(--acc); -webkit-text-fill-color: var(--acc); }
.stat span { font-size: 13.5px; color: var(--mut); letter-spacing: .08em; }

/* ---------- 产品页：功能 bento ---------- */
.bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.bento .cell { padding: 30px 28px; transition: transform .35s cubic-bezier(.16,1,.3,1); }
.bento .cell:hover { transform: translateY(-5px); }
.cell.w3 { grid-column: span 3; }
.cell.w2 { grid-column: span 2; }
.cell .fic { width: 46px; height: 46px; border-radius: 13px; display: grid; place-items: center; margin-bottom: 18px;
  background: var(--acc-dim); border: 1px solid rgba(240,164,74,.28); color: var(--acc-2); }
.cell .fic svg { width: 22px; height: 22px; }
.cell h4 { font-size: 17.5px; margin-bottom: 8px; letter-spacing: -.01em; }
.cell p { font-size: 14px; color: var(--mut); }
.cell .mini { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 15px; }
.cell .mini span { font-size: 11.5px; padding: 3px 10px; border-radius: 999px; border: 1px solid var(--line); color: var(--dim); }

/* ---------- 截图馆 ---------- */
.shots-wide { display: grid; grid-template-columns: 1.15fr 1fr; gap: 22px; margin-bottom: 22px; }
.shots-wide .shot:last-child { grid-column: 1 / -1; aspect-ratio: auto; }
.shots-phones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.shot { position: relative; border-radius: var(--r-md); overflow: hidden; border: 1px solid var(--line-2); cursor: zoom-in;
  box-shadow: 0 24px 60px rgba(0,0,0,.45); transform-style: preserve-3d; transition: transform .3s cubic-bezier(.16,1,.3,1), box-shadow .3s; }
.shot img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.16,1,.3,1); }
.shot:hover img { transform: scale(1.035); }
.shot figcaption { position: absolute; left: 14px; bottom: 14px; padding: 7px 14px; border-radius: 999px;
  background: rgba(8, 10, 16, .78); backdrop-filter: blur(10px); border: 1px solid var(--line);
  font-size: 12.5px; font-weight: 600; color: var(--ink); }
.shot.tall { aspect-ratio: 720/1160; }
.shot.tall img { height: 100%; }
.shot .phone-bezel { display: block; }

/* 手机壳版截图 */
.pshot { position: relative; width: min(100%, 250px); margin: 0 auto; border-radius: 34px; padding: 8px;
  background: linear-gradient(160deg, #272c3a, #0f121b 45%, #1f2431);
  box-shadow: 0 26px 60px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.12); cursor: zoom-in;
  transition: transform .35s cubic-bezier(.16,1,.3,1); }
.pshot:hover { transform: translateY(-8px) rotate(-1deg); }
.pshot img { border-radius: 27px; width: 100%; }

/* 多图手机壳网格（4 列，用于截图较多的子页） */
.shot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.shot-grid .pshot { width: 100%; }

/* 占位卡（截图整理中） */
.wip { position: relative; display: grid; place-items: center; gap: 4px; padding: 34px 18px; text-align: center;
  border-radius: var(--r-md); border: 1px dashed rgba(240, 164, 74, .32); background: rgba(255, 255, 255, .022);
  aspect-ratio: 9 / 15; }
.wip img { width: 46px; height: 46px; border-radius: 12px; opacity: .75; margin-bottom: 8px; }
.wip b { font-size: 15px; }
.wip span { font-size: 12.5px; color: var(--dim); }
.wip .tag { position: absolute; top: 12px; left: 12px; font-size: 11px; letter-spacing: .1em; color: var(--acc);
  padding: 3px 10px; border-radius: 999px; background: var(--acc-dim); border: 1px solid rgba(240,164,74,.28); }

/* 硬币首屏视觉（纯 CSS，无素材依赖） */
.coin-zone { position: relative; display: grid; place-items: center; min-height: 460px; }
.coin-3d { width: 210px; height: 210px; position: relative; transform-style: preserve-3d; animation: coin-spin 6s linear infinite; }
.coin-face { position: absolute; inset: 0; border-radius: 50%; display: grid; place-items: center;
  backface-visibility: hidden; font-size: 62px; font-weight: 800; letter-spacing: -.02em;
  background: radial-gradient(circle at 34% 28%, #ffd79a, #e0a95a 30%, #b9822f 62%, #8a5f1d 100%);
  box-shadow: inset 0 0 0 8px rgba(255, 255, 255, .12), 0 34px 70px rgba(0, 0, 0, .6); color: #3b2708; }
.coin-face.back { transform: rotateY(180deg); }
.coin-3d::after { content: ""; position: absolute; inset: -26px; border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 164, 74, .22), transparent 68%); filter: blur(18px); z-index: -1; }
@keyframes coin-spin { to { transform: rotateY(360deg); } }

/* ---------- 步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { padding: 30px 26px; position: relative; }
.step .no { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; font-weight: 800; font-size: 17px;
  background: var(--acc-dim); color: var(--acc-2); border: 1px solid rgba(240,164,74,.3); margin-bottom: 18px; }
.step h4 { font-size: 16.5px; margin-bottom: 8px; }
.step p { font-size: 13.8px; color: var(--mut); }
.step p b { color: var(--ink); }
.step ul { margin-top: 12px; display: grid; gap: 9px; }
.step li { list-style: none; position: relative; padding-left: 17px; font-size: 13.4px; color: var(--mut); }
.step li::before { content: ""; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; border-radius: 50%; background: rgba(240, 164, 74, .65); }
.step li b { color: var(--ink); font-weight: 600; }
.step code, .notice code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.8px; padding: 2px 7px; border-radius: 6px; background: rgba(255, 255, 255, .07);
  border: 1px solid var(--line); color: var(--acc-2); }

/* ---------- 下载 ---------- */
.dl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.dl-card { padding: 36px 32px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.dl-card .os { font-size: 19px; font-weight: 700; letter-spacing: -.01em; }
.dl-card .fmt { font-size: 13px; color: var(--dim); letter-spacing: .05em; }
.dl-card .size { font-size: 26px; font-weight: 800; letter-spacing: -.02em; margin: 6px 0 18px; }
.dl-card .size small { font-size: 13px; font-weight: 500; color: var(--mut); }
.dl-card .btn { width: 100%; justify-content: center; }
.dl-card .soon { font-size: 13px; color: var(--dim); }
.dl-grid.two { grid-template-columns: repeat(2, 1fr); max-width: 760px; margin-inline: auto; }
.dl-grid.one { grid-template-columns: minmax(0, 380px); justify-content: center; }

.notice { display: flex; gap: 14px; padding: 20px 24px; border-radius: var(--r-md); margin-top: 26px;
  background: rgba(240, 164, 74, .06); border: 1px solid rgba(240, 164, 74, .22); font-size: 14px; color: var(--mut); }
.notice b { color: var(--ink); }
.notice svg { width: 20px; height: 20px; color: var(--acc); flex-shrink: 0; margin-top: 2px; }

/* ---------- 相关应用 ---------- */
.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.rel { display: flex; align-items: center; gap: 18px; padding: 24px 26px; transition: transform .3s cubic-bezier(.16,1,.3,1); }
.rel:hover { transform: translateY(-4px); }
.rel img { width: 46px; height: 46px; border-radius: 12px; border: 1px solid var(--line-2); }
.rel b { display: block; font-size: 15.5px; }
.rel span span { font-size: 13px; color: var(--mut); }

/* ---------- 页脚 ---------- */
footer { border-top: 1px solid var(--line); padding: 64px 0 34px; background: rgba(255,255,255,.015); }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 44px; margin-bottom: 44px; }
.foot-brand { display: flex; align-items: center; gap: 11px; font-weight: 700; margin-bottom: 16px; }
.foot-grid p { font-size: 14px; color: var(--mut); margin-bottom: 10px; }
.foot-grid h5 { font-size: 13px; letter-spacing: .18em; color: var(--dim); margin-bottom: 16px; font-weight: 600; }
.foot-grid a { display: block; font-size: 14px; color: var(--mut); padding: 5px 0; transition: color .2s; }
.foot-grid a:hover { color: var(--acc-2); }
.foot-bottom { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; padding-top: 26px;
  border-top: 1px solid var(--line); font-size: 12.5px; color: var(--dim); }
.foot-bottom span { margin-right: 22px; }

/* ---------- 灯箱 / 提示 ---------- */
.lightbox { position: fixed; inset: 0; z-index: 120; display: none; place-items: center; padding: 4vmin;
  background: rgba(5, 6, 10, .9); backdrop-filter: blur(16px); }
.lightbox.open { display: grid; }
.lightbox img { max-width: 92vw; max-height: 88vh; border-radius: 18px; border: 1px solid var(--line-2);
  box-shadow: 0 40px 120px rgba(0,0,0,.7); animation: boot .4s cubic-bezier(.16,1,.3,1); }
.lightbox .x { position: absolute; top: 22px; right: 26px; width: 44px; height: 44px; border-radius: 50%;
  border: 1px solid var(--line-2); background: var(--glass); color: var(--ink); font-size: 18px; }

.toast { position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 140%); z-index: 130;
  padding: 14px 24px; border-radius: 999px; background: rgba(15, 18, 28, .92); border: 1px solid var(--line-2);
  backdrop-filter: blur(14px); font-size: 14px; box-shadow: 0 18px 50px rgba(0,0,0,.5);
  transition: transform .45s cubic-bezier(.16,1,.3,1); max-width: 88vw; text-align: center; }
.toast.show { transform: translate(-50%, 0); }
.toast b { color: var(--acc-2); }

/* ---------- 滚动入场 ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .8s cubic-bezier(.16,1,.3,1), transform .8s cubic-bezier(.16,1,.3,1); transition-delay: calc(var(--i, 0) * 90ms); will-change: transform, opacity; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid, .feat-card { grid-template-columns: 1fr; gap: 44px; }
  .device-zone { min-height: 0; padding: 20px 0; }
  .feat-shot { transform: none; }
  .app-grid, .dl-grid, .rel-grid { grid-template-columns: 1fr 1fr; }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .cell.w3, .cell.w2 { grid-column: span 1; }
  .steps { grid-template-columns: 1fr 1fr; }
  .shots-wide { grid-template-columns: 1fr; }
  .shots-phones { grid-template-columns: repeat(3, 1fr); }
  .shot-grid { grid-template-columns: repeat(3, 1fr); }
  .dl-grid.two { grid-template-columns: 1fr 1fr; }
  .coin-3d { width: 176px; height: 176px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .wrap { padding: 0 20px; }
  section { padding: 68px 0; }
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: grid; place-items: center; }
  .app-grid, .dl-grid, .rel-grid, .steps, .bento { grid-template-columns: 1fr; }
  .shots-phones { grid-template-columns: 1fr 1fr; }
  .shots-phones .pshot:last-child { display: none; }
  .shot-grid { grid-template-columns: repeat(2, 1fr); }
  .coin-3d { width: 150px; height: 150px; }
  .feat-card { padding: 30px 24px; }
  .hero { padding-top: 110px; }
  .chip-float { display: none; }
  .phone { width: 228px; }
  .foot-grid { grid-template-columns: 1fr; gap: 28px; }
}

/* ---------- 无障碍：减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .boot { opacity: 1; transform: none; }
}

/* ---------- 应用页改版：图文配对区块（2026-10-21） ---------- */
.feat-stack { display: grid; gap: 18px; }
.feat-stack .feat-card { padding: 30px 32px; }
.feat-card .feat-shot, .feat-card .feat-duo, .feat-card .feat-col { cursor: zoom-in; }
.feat-card.rev .fimg { order: -1; }
.feat-card.rev .feat-shot { transform: perspective(1200px) rotateY(4deg); }
.feat-card.rev:hover .feat-shot { transform: perspective(1200px) rotateY(0deg) scale(1.015); }
.feat-duo { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: center; border-radius: var(--r-md); overflow: hidden;
  border: 1px solid var(--line-2); box-shadow: 0 30px 70px rgba(0,0,0,.5);
  transform: perspective(1200px) rotateY(-4deg); transition: transform .5s cubic-bezier(.16,1,.3,1); }
.feat-card:hover .feat-duo { transform: perspective(1200px) rotateY(0deg) scale(1.015); }
.feat-card.rev .feat-duo { transform: perspective(1200px) rotateY(4deg); }
.feat-card.rev:hover .feat-duo { transform: perspective(1200px) rotateY(0deg) scale(1.015); }
/* [2026-10-21d] 不再强制等高裁切：两图按各自比例完整显示（横图不再被裁成细条） */
.feat-duo img { width: 100%; height: auto; display: block; }
/* [2026-10-21c] 横屏大图卡（平板/桌面/横截图）：一行一张竖排，横图通栏全宽不再被压小/裁切；
   卡内竖图限高居中，防止整卡高度失控 */
.feat-col { display: grid; gap: 14px; border-radius: var(--r-md); overflow: hidden;
  border: 1px solid var(--line-2); box-shadow: 0 30px 70px rgba(0,0,0,.5);
  transform: perspective(1200px) rotateY(-4deg); transition: transform .5s cubic-bezier(.16,1,.3,1); }
.feat-card:hover .feat-col { transform: perspective(1200px) rotateY(0deg) scale(1.015); }
.feat-card.rev .feat-col { transform: perspective(1200px) rotateY(4deg); }
.feat-card.rev:hover .feat-col { transform: perspective(1200px) rotateY(0deg) scale(1.015); }
.feat-col img { width: 100%; height: auto; display: block; }
.ticks code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.8px; padding: 2px 7px; border-radius: 6px; background: rgba(255, 255, 255, .07);
  border: 1px solid var(--line); color: var(--acc-2); }
@media (max-width: 1024px) {
  .feat-stack .feat-card { padding: 36px 30px; }
  .feat-duo, .feat-card.rev .feat-duo, .feat-col, .feat-card.rev .feat-col { transform: none; }
  .feat-card.rev .fimg { order: 0; }
}
@media (max-width: 720px) {
  .feat-stack { gap: 18px; }
  .feat-stack .feat-card { padding: 26px 20px; }
}

/* ---------- [2026-10-22] 竖图卡片一行两张 + 间距收紧 ---------- */
.feat-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: stretch; }
.feat-pair .feat-card { gap: 18px; padding: 24px 26px; align-items: center; }
.feat-pair .feat-card .tag { margin-bottom: 6px; }
.feat-pair .feat-card h3 { font-size: clamp(18px, 1.6vw, 23px); }
.feat-pair .feat-card p { margin: 8px 0 12px; font-size: 14.5px; }
.feat-pair .feat-card .ticks { gap: 7px 14px; margin-bottom: 0; font-size: 13.5px; }
@media (max-width: 820px){ .feat-pair { grid-template-columns: 1fr; } }