/* ═══════════════════════════════════════════════════════════
   提米助手官网 · 改版预览 v2
   版式参照应用商店详情页：品牌色首屏 + 叠压下载卡 + 横滑截图画廊。
   手机优先，默认按 360–430px 设计，再用 min-width 向上扩展。
   ═══════════════════════════════════════════════════════════ */

:root {
  --ink: #0c1530;
  --ink-2: #344161;
  --muted: #69758f;
  --faint: #9aa4ba;
  --line: #e6ebf5;
  --bg: #f5f7fc;
  --soft: #eef2fb;
  --surface: #fff;

  --brand: #2f5bff;
  --brand-ink: #1d3fd8;
  --brand-soft: #e9efff;
  --cyan: #19c2f2;
  --grad: linear-gradient(115deg, #2c4dff 0%, #2585ff 55%, #13bff0 100%);
  --band: linear-gradient(180deg, #04060e 0%, #070b1d 45%, #0c1438 100%);
  --logo-tile: linear-gradient(160deg, #1b2236 0%, #05070d 100%);
  --night: #0a1130;

  --green: #13a66c;  --green-soft: #e4f7ee;
  --amber: #e48a00;  --amber-soft: #fff3dd;
  --violet: #7650ff; --violet-soft: #f0ebff;
  --red: #e2483d;    --red-soft: #ffeceb;
  --teal: #0aa5c8;   --teal-soft: #e0f6fc;

  --r: 20px;
  --r-lg: 26px;
  --shadow-sm: 0 1px 2px rgba(16, 32, 80, .05), 0 3px 10px rgba(16, 32, 80, .04);
  --shadow: 0 4px 10px rgba(16, 32, 80, .04), 0 18px 40px -14px rgba(16, 32, 80, .18);
  --shadow-brand: 0 14px 28px -10px rgba(40, 90, 255, .6);

  --gutter: 18px;
  --nav-h: 58px;
  --font: "PingFang SC", "HarmonyOS Sans SC", "MiSans", "HONOR Sans CN", "Source Han Sans SC",
          "Noto Sans CJK SC", "Microsoft YaHei UI", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 10px); }
body {
  margin: 0; font-family: var(--font); font-size: 15px; line-height: 1.65; color: var(--ink); background: var(--bg);
  -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent; overflow-x: hidden;
}
body.no-scroll { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; padding: 0; }
h1, h2, h3, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h2, h3 { text-wrap: balance; }
svg { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
:focus-visible { outline: 2.5px solid var(--brand); outline-offset: 3px; border-radius: 8px; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 300; padding: 10px 14px; border-radius: 10px; background: var(--ink); color: #fff; }
.skip-link:focus { top: 12px; }
.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter); }
.wrap-narrow { max-width: 820px; }

/* ── 导航 ───────────────────────────────────────── */
.nav { position: fixed; inset: 0 0 auto; z-index: 100; padding-top: env(safe-area-inset-top); color: #fff; transition: background .25s, color .25s, box-shadow .25s; }
.nav.scrolled, .nav.open {
  color: var(--ink); background: rgba(255, 255, 255, .86);
  -webkit-backdrop-filter: saturate(180%) blur(18px); backdrop-filter: saturate(180%) blur(18px);
  box-shadow: 0 1px 0 rgba(16, 32, 80, .07);
}
.nav-inner { display: flex; align-items: center; gap: 12px; max-width: 1320px; height: var(--nav-h); margin: 0 auto; padding: 0 var(--gutter); }
.brand { display: flex; align-items: center; gap: 8px; font-size: 17px; font-weight: 800; letter-spacing: .02em; }
.brand img { width: 30px; height: 30px; padding: 3px; border-radius: 9px; background: var(--logo-tile); box-shadow: 0 2px 8px rgba(0, 20, 80, .25), inset 0 0 0 1px rgba(255, 255, 255, .08); }
.nav-actions { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-dl {
  display: inline-flex; align-items: center; height: 34px; padding: 0 16px; border-radius: 999px;
  font-size: 14px; font-weight: 800; color: var(--brand-ink); background: #fff; box-shadow: 0 6px 16px -6px rgba(0, 10, 60, .45);
  transition: background .25s, color .25s;
}
.nav.scrolled .nav-dl, .nav.open .nav-dl { color: #fff; background: var(--grad); box-shadow: var(--shadow-brand); }
.menu-btn { position: relative; width: 40px; height: 40px; }
.menu-btn span { position: absolute; left: 11px; right: 11px; height: 2px; border-radius: 2px; background: currentColor; transition: transform .3s var(--ease), top .3s var(--ease); }
.menu-btn span:first-child { top: 15px; }
.menu-btn span:last-child { top: 23px; }
.nav.open .menu-btn span:first-child { top: 19px; transform: rotate(45deg); }
.nav.open .menu-btn span:last-child { top: 19px; transform: rotate(-45deg); }

.nav-panel {
  position: absolute; left: 0; right: 0; top: calc(var(--nav-h) + env(safe-area-inset-top));
  padding: 6px var(--gutter) 20px; color: var(--ink); background: #fff;
  border-radius: 0 0 24px 24px; box-shadow: 0 24px 40px -18px rgba(16, 32, 80, .3);
  opacity: 0; visibility: hidden; transform: translateY(-8px);
  transition: opacity .25s, transform .3s var(--ease), visibility 0s .3s;
}
.nav.open .nav-panel { opacity: 1; visibility: visible; transform: none; transition: opacity .25s, transform .3s var(--ease); }
.nav-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.nav-links a { display: flex; align-items: center; height: 48px; padding: 0 16px; border-radius: 14px; font-size: 15px; font-weight: 700; background: var(--soft); }
.nav-extra { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); }
.nav-extra-item { display: flex; align-items: center; gap: 8px; height: 44px; padding: 0 12px; border-radius: 12px; font-size: 14px; font-weight: 600; text-align: left; color: var(--ink-2); }
.nav-extra-item svg { font-size: 18px; color: var(--brand); }
.nav-extra-item.is-zonecat { color: #8a5a00; background: var(--amber-soft); }
.nav-extra-item.is-zonecat svg { color: var(--amber); }
.nav-scrim { position: fixed; inset: 0; z-index: 90; background: rgba(8, 16, 44, .35); }

/* ── 首屏：品牌色带 ─────────────────────────────── */
.hero { position: relative; }
.hero-band {
  position: relative; overflow: hidden; overflow: clip; color: #fff; background: var(--band);
  padding: calc(var(--nav-h) + env(safe-area-inset-top) + 18px) 0 104px;
  border-radius: 0 0 36px 36px;
}
/* 深空极光：几团品牌色径向渐变缓慢漂移，叠一层噪点避免色带 */
.aurora { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.au { position: absolute; border-radius: 50%; will-change: transform; }
.au1 { width: 130vw; height: 130vw; left: -55vw; top: -45vw; background: radial-gradient(circle, rgba(47, 91, 255, .5), transparent 62%); animation: drift1 16s ease-in-out infinite alternate; }
.au2 { width: 120vw; height: 120vw; right: -60vw; bottom: -50vw; background: radial-gradient(circle, rgba(18, 196, 240, .38), transparent 62%); animation: drift2 19s ease-in-out infinite alternate; }
.au3 { width: 90vw; height: 90vw; right: -35vw; top: -25vw; background: radial-gradient(circle, rgba(124, 82, 255, .42), transparent 62%); animation: drift3 22s ease-in-out infinite alternate; }
.au4 { width: 70vw; height: 70vw; left: -20vw; bottom: -10vw; background: radial-gradient(circle, rgba(36, 120, 255, .3), transparent 62%); animation: drift1 25s ease-in-out infinite alternate-reverse; }
@keyframes drift1 { to { transform: translate3d(18%, 14%, 0) scale(1.12); } }
@keyframes drift2 { to { transform: translate3d(-16%, -12%, 0) scale(1.18); } }
@keyframes drift3 { to { transform: translate3d(-14%, 18%, 0) scale(.9); } }
.grain {
  position: absolute; inset: 0; opacity: .09; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.star { position: absolute; width: 2px; height: 2px; border-radius: 50%; background: #fff; opacity: 0; animation: twinkle var(--d, 4s) var(--delay, 0s) ease-in-out infinite; }
@keyframes twinkle { 0%, 100% { opacity: 0; transform: scale(.6); } 50% { opacity: var(--o, .7); transform: scale(1); } }
.band-inner { position: relative; }
.band-copy { display: flex; flex-direction: column; align-items: center; text-align: center; }
/* 图标舞台：主图标 + 椭圆轨道上的两颗"分身" + 背后旋转光束 */
@property --ang { syntax: "<angle>"; initial-value: 0deg; inherits: false; }
.icon-stage { position: relative; width: 340px; height: 190px; flex: none; will-change: transform; }
.beam {
  position: absolute; left: 50%; top: 50%; width: 460px; height: 460px; margin: -230px 0 0 -230px; border-radius: 50%; pointer-events: none;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(90, 150, 255, .22) 28deg, transparent 62deg, transparent 180deg, rgba(25, 194, 242, .16) 208deg, transparent 242deg);
  -webkit-mask-image: radial-gradient(circle, #000 18%, transparent 68%); mask-image: radial-gradient(circle, #000 18%, transparent 68%);
  animation: spin 16s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
/* 双轨道星环：前半圈画在主图标前面，后半圈藏在主图标后面；卫星位置由脚本逐帧计算 */
.rings { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; fill: none; pointer-events: none; }
.rings-back { z-index: 0; }
.rings-front { z-index: 3; }
.ring { stroke-width: 1; stroke-linecap: round; }
.rings-back .ring { stroke: rgba(130, 170, 255, .18); }
.rings-front .ring { stroke: rgba(150, 200, 255, .42); }
.rings-front .ring-b { stroke: rgba(150, 200, 255, .3); }
/* 沿前半圈流动的一道光 */
.ring-glint { stroke: #bdf3ff; stroke-width: 1.6; stroke-linecap: round; stroke-dasharray: 26 400; filter: drop-shadow(0 0 3px #4fd8ff); animation: glint 4.2s linear infinite; }
.ring-glint-b { stroke-dasharray: 34 500; animation-duration: 5.6s; animation-delay: -2s; }
@keyframes glint { from { stroke-dashoffset: 430; } to { stroke-dashoffset: -30; } }
.sats { position: absolute; inset: 0; }
.sat {
  position: absolute; left: 0; top: 0; z-index: 1; width: 38px; height: 38px; opacity: 0; will-change: transform;
  border-radius: 11px; box-shadow: 0 10px 22px -6px rgba(0, 0, 0, .65), 0 0 0 1px rgba(255, 255, 255, .14);
}
.sat img { width: 100%; height: 100%; border-radius: inherit; }
.sat i {
  position: absolute; right: -4px; bottom: -4px; display: grid; place-items: center; width: 15px; height: 15px; border-radius: 50%;
  font-size: 9px; font-style: normal; font-weight: 800; color: #fff; background: var(--grad); box-shadow: 0 0 0 1.5px #070b1d;
}
.sat-sm { width: 32px; height: 32px; border-radius: 9px; }
.sat-dot { width: 7px; height: 7px; border-radius: 50%; background: #9ff3ff; box-shadow: 0 0 10px 3px rgba(25, 194, 242, .75); }
.app-icon {
  position: absolute; left: 50%; top: 50%; z-index: 2; width: 96px; height: 96px; margin: -48px 0 0 -48px; padding: 12px; border-radius: 28px;
  background: var(--logo-tile);
  box-shadow: 0 24px 50px -14px rgba(0, 0, 0, .8), 0 0 70px -8px rgba(70, 140, 255, .65), inset 0 0 0 1px rgba(255, 255, 255, .1);
  transform: perspective(600px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform .5s var(--ease);
  animation: bob 6s ease-in-out infinite;
}
@keyframes bob { 50% { translate: 0 -7px; } }
/* 流动光边 */
.app-icon::before {
  content: ""; position: absolute; inset: -1.5px; padding: 1.5px; border-radius: 29.5px; pointer-events: none;
  background: conic-gradient(from var(--ang), transparent 0 55%, rgba(94, 160, 255, .9) 72%, #9ff3ff 80%, transparent 92%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  animation: ang 4s linear infinite;
}
@keyframes ang { to { --ang: 360deg; } }
.app-icon img { position: relative; }
.app-icon::after { content: ""; position: absolute; inset: 0; border-radius: inherit; box-shadow: 0 0 0 1px rgba(255, 255, 255, .06); }
/* 表面高光扫过 */
.gloss { position: absolute; inset: 0; overflow: hidden; border-radius: inherit; pointer-events: none; }
.gloss::after {
  content: ""; position: absolute; top: -50%; left: -60%; width: 50%; height: 200%; transform: rotate(25deg) translateX(-150%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .22), transparent);
  animation: gloss 5.5s 1.2s ease-in-out infinite;
}
@keyframes gloss { 0%, 60% { transform: rotate(25deg) translateX(-150%); } 85%, 100% { transform: rotate(25deg) translateX(520%); } }
.band-copy h1 { margin-top: -4px; }
.app-name { display: block; font-size: 34px; font-weight: 800; line-height: 1.2; letter-spacing: .04em; }
.slogan { display: block; margin-top: 8px; font-size: 17px; font-weight: 500; line-height: 1.6; color: rgba(255, 255, 255, .86); }
.shimmer {
  font-weight: 800; background: linear-gradient(100deg, #8fd8ff 0%, #ffffff 40%, #7fb2ff 60%, #8ff0ff 100%); background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent; animation: shimmer 4.5s linear infinite;
}
@keyframes shimmer { to { background-position: -220% 0; } }
/* 标题逐字浮现 */
.app-name .ch { display: inline-block; animation: chIn .9s var(--ease) both; animation-delay: calc(.25s + var(--i) * .08s); }
@keyframes chIn { from { opacity: 0; filter: blur(10px); transform: translateY(14px) scale(.9); } to { opacity: 1; filter: none; transform: none; } }
.news {
  position: relative; display: inline-flex; align-items: center; gap: 8px; max-width: 100%; margin-top: 18px; height: 32px; padding: 0 14px 0 5px;
  border-radius: 999px; font-size: 12.5px; font-weight: 600; color: #fff;
  background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .24);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
}
.news span:last-child { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.news::before {
  content: ""; position: absolute; inset: -1px; padding: 1px; border-radius: inherit; pointer-events: none;
  background: conic-gradient(from var(--ang), transparent 0 70%, rgba(143, 216, 255, .9) 85%, transparent 95%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  animation: ang 5s linear infinite;
}
.news-tag { flex: none; padding: 2px 7px; border-radius: 999px; font-size: 10.5px; font-weight: 800; letter-spacing: .06em; color: #6b3f00; background: #ffd25a; }
.band-phones { display: none; }

/* ── 叠压下载卡 ─────────────────────────────────── */
.dl-card {
  position: relative; z-index: 2; margin-top: -76px; padding: 16px 14px 14px; border-radius: 28px;
  background: var(--surface); box-shadow: 0 30px 60px -28px rgba(20, 40, 120, .45), 0 2px 6px rgba(16, 32, 80, .05);
}
.stats { display: grid; grid-template-columns: repeat(4, 1fr); padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.stats li { display: grid; justify-items: center; text-align: center; line-height: 1.25; }
.stats li + li { border-left: 1px solid var(--line); }
.stats small { font-size: 11px; color: var(--faint); }
.stats strong { margin: 5px 0 3px; font-size: 19px; font-weight: 800; color: var(--ink); font-variant-numeric: tabular-nums; }
.stats span { font-size: 11px; color: var(--faint); }
.stats .stars { font-size: 10px; letter-spacing: 1px; color: #ffb81c; }

.dl-main { margin-top: 14px; }
.dl-pair { display: grid; gap: 10px; }
.dl-btn {
  position: relative; overflow: hidden; display: flex; align-items: center; gap: 12px;
  height: 64px; padding: 0 16px 0 10px; border-radius: 18px; color: #fff; transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.dl-btn:active { transform: scale(.98); }
.dl-ic { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 13px; font-size: 23px; background: rgba(255, 255, 255, .16); }
.dl-ic svg { fill: currentColor; stroke: none; }
.dl-copy { display: grid; flex: 1; min-width: 0; line-height: 1.3; }
.dl-copy strong { font-size: 17px; font-weight: 800; letter-spacing: .03em; }
.dl-copy small { overflow: hidden; font-size: 12.5px; white-space: nowrap; text-overflow: ellipsis; opacity: .75; }
.dl-go { font-size: 20px; opacity: .8; }
.dl-android { background: var(--grad); box-shadow: var(--shadow-brand); }
.dl-android::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, .3) 50%, transparent 65%);
  transform: translateX(-100%); animation: shine 4.5s 1.4s infinite;
}
@keyframes shine { 0% { transform: translateX(-100%); } 30%, 100% { transform: translateX(100%); } }
.dl-ios { background: linear-gradient(160deg, #1e2538 0%, #070a13 100%); box-shadow: 0 14px 28px -12px rgba(5, 8, 20, .6); }
.dl-sub { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 4px 8px; margin-top: 10px; font-size: 12px; color: var(--muted); }
.dl-sub i { width: 3px; height: 3px; border-radius: 50%; background: var(--faint); }
#version-info { font-weight: 700; color: var(--green); }

.quick { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; padding-top: 14px; border-top: 1px dashed #dce3f0; }
.quick-item { display: grid; grid-template-columns: 40px 1fr; column-gap: 10px; align-items: center; padding: 6px; border-radius: 14px; text-align: left; transition: background .2s; }
.quick-item .qi { grid-row: span 2; width: 40px; height: 40px; margin: 0; border-radius: 12px; font-size: 20px; }
.quick-item:active { background: var(--soft); }
.qi { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 4px; border-radius: 14px; font-size: 22px; }
.qi svg { fill: currentColor; stroke: none; }
.qi-dark { color: #fff; background: #12182b; }
.qi-green { color: #fff; background: linear-gradient(135deg, #2ed27a, #11a95c); }
.qi-amber { color: #fff; background: linear-gradient(135deg, #ffbe3d, #f28a00); }
.quick-item strong { font-size: 13px; font-weight: 700; line-height: 1.35; }
.quick-item small { font-size: 11px; line-height: 1.35; color: var(--faint); }

/* ── 截图画廊 ───────────────────────────────────── */
.gallery-sec { padding: 40px 0 8px; }
.row-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 14px; }
.row-head h2 { font-size: 22px; font-weight: 800; }
.row-hint { display: flex; align-items: center; gap: 4px; font-size: 13px; color: var(--faint); }
.gallery {
  display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding: 0 var(--gutter);
  padding: 4px var(--gutter) 22px; scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
.gallery::-webkit-scrollbar { display: none; }
.shot {
  position: relative; overflow: hidden; flex: 0 0 74%; max-width: 300px; display: flex; flex-direction: column;
  scroll-snap-align: start; border-radius: 26px; color: #fff; box-shadow: var(--shadow);
}
.shot-blue { background: linear-gradient(160deg, #2b52ff, #1b8cff); }
.shot-violet { background: linear-gradient(160deg, #6a4dff, #3b5bff); }
.shot-cyan { background: linear-gradient(160deg, #0fb1e6, #1f73ff); }
/* 第 4 张：和前三张同为渐变色卡；海报放进白色圆角相框，像前三张的手机框一样浮在卡面上 */
.shot-steps { background: radial-gradient(110% 60% at 100% 0%, rgba(25, 194, 242, .35), transparent 60%), linear-gradient(160deg, #2f6bff 0%, #5a3df0 100%); }
.poster-btn {
  position: relative; display: block; width: calc(100% - 36px); margin: 16px 18px 0; padding: 5px; cursor: zoom-in;
  border-radius: 20px; background: #fff;
  box-shadow: 0 24px 40px -14px rgba(10, 10, 60, .6), 0 0 0 1px rgba(255, 255, 255, .5);
  transition: transform .45s var(--ease), box-shadow .45s var(--ease);
}
.poster-btn img { display: block; width: 100%; border-radius: 15px; }
.poster-btn:hover { transform: translateY(-3px) scale(1.015); box-shadow: 0 30px 50px -16px rgba(10, 10, 60, .7), 0 0 0 1px rgba(255, 255, 255, .6); }
.zoom-hint {
  position: absolute; right: 12px; bottom: 12px; display: inline-flex; align-items: center; gap: 5px; height: 26px; padding: 0 10px 0 8px;
  border-radius: 999px; font-size: 11.5px; font-weight: 700; color: #fff; background: rgba(12, 21, 48, .72);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.zoom-hint svg { font-size: 14px; }
.mini-steps { display: grid; gap: 9px; margin: auto 18px 20px; padding-top: 16px; }
.mini-steps li { display: flex; align-items: center; gap: 10px; font-size: 13.5px; font-weight: 700; color: #fff; }
.ms-no {
  display: grid; place-items: center; flex: none; width: 22px; height: 22px; border-radius: 50%;
  font-size: 12px; font-weight: 800; color: #3a4bf0; background: #fff; box-shadow: 0 4px 10px -3px rgba(10, 10, 60, .45);
}
.modal-card-wide { max-width: 680px; }
.poster-full { display: block; width: 100%; margin-top: 4px; border-radius: 16px; }
.shot-copy { position: relative; z-index: 1; padding: 20px 20px 0; }
.shot-no { font-size: 12px; font-weight: 800; letter-spacing: .1em; opacity: .65; }
.shot h3 { margin-top: 2px; font-size: 24px; font-weight: 800; line-height: 1.3; }
.shot p { margin-top: 2px; font-size: 13.5px; opacity: .85; }
.shot-phone {
  /* 手机完整放进卡片：高度由内容撑开，底部留白，不再被卡片裁切 */
  position: relative; width: 66%; margin: 16px auto 20px;
  padding: 6px; border-radius: 30px; background: #0b1022; box-shadow: 0 24px 40px -10px rgba(0, 0, 40, .55), inset 0 0 0 1.5px rgba(255, 255, 255, .08);
}
.shot-phone img { display: block; width: 100%; border-radius: 24px; }
.gallery-dots { display: flex; justify-content: center; gap: 6px; }
.gallery-dots i { width: 6px; height: 6px; border-radius: 3px; background: #cdd5e6; transition: width .3s var(--ease), background .3s; }
.gallery-dots i.on { width: 20px; background: var(--brand); }

/* ── 一句话介绍 ─────────────────────────────────── */
.statement { padding: 56px 0 64px; }
.eyebrow { font-size: 13px; font-weight: 800; letter-spacing: .1em; color: var(--brand); }
.big-quote { margin-top: 10px; font-size: 25px; font-weight: 800; line-height: 1.6; letter-spacing: .01em; text-wrap: pretty; }
.big-quote mark { color: var(--brand-ink); background: linear-gradient(transparent 58%, #d6e3ff 58%); padding: 0 1px; }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 28px; }
.pillars li { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 0 4px; text-align: center; }
.pillars li + li { border-left: 1px solid var(--line); }
.pi { display: grid; place-items: center; width: 46px; height: 46px; margin-bottom: 8px; border-radius: 50%; font-size: 21px; color: var(--brand); background: var(--brand-soft); }
.pillars strong { font-size: 14.5px; font-weight: 800; }
.pillars small { font-size: 12px; color: var(--muted); line-height: 1.45; }

/* ── 工作原理：深色通栏 ─────────────────────────── */
.dark-sec {
  position: relative; overflow: hidden; overflow: clip; padding: 64px 0 72px; color: #fff; border-radius: 36px 36px 0 0;
  background: radial-gradient(80% 40% at 100% 0%, rgba(47, 91, 255, .45), transparent 70%),
              radial-gradient(70% 35% at 0% 60%, rgba(25, 194, 242, .18), transparent 70%), var(--night);
}
.kicker { display: inline-block; font-size: 13px; font-weight: 800; letter-spacing: .1em; color: var(--brand); }
.dark-sec .kicker { color: var(--cyan); }
.dk-head h2 { margin-top: 8px; font-size: 30px; font-weight: 800; line-height: 1.3; }
.dk-head h2 span { background: linear-gradient(100deg, #6fe3ff, #8aa6ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.dk-head p { margin-top: 12px; font-size: 15px; color: rgba(255, 255, 255, .62); }

.diagram { display: grid; grid-template-columns: 1fr 52px 1fr; align-items: stretch; margin-top: 30px; }
.space { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 16px 12px 14px; border-radius: 22px; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); }
.space-us { border-color: rgba(25, 194, 242, .5); background: rgba(25, 194, 242, .08); box-shadow: 0 0 40px -10px rgba(25, 194, 242, .5); }
.space-tag { font-size: 13px; font-weight: 800; }
.space-us .space-tag { color: #7fe6ff; }
.space-apps { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; width: 100%; max-width: 132px; }
.space-apps i { position: relative; display: block; width: calc((100% - 16px) / 3); aspect-ratio: 1; border-radius: 12px; box-shadow: 0 6px 14px -6px rgba(0, 0, 0, .6), 0 0 0 1px rgba(255, 255, 255, .14); }
.space-apps img { display: block; width: 100%; height: 100%; border-radius: inherit; }
/* 独立空间里的是分身：右下角"2"角标 */
.space-apps-clone i::after {
  content: "2"; position: absolute; right: -4px; bottom: -4px; display: grid; place-items: center; width: 14px; height: 14px; border-radius: 50%;
  font-size: 8.5px; font-style: normal; font-weight: 800; color: #fff; background: var(--grad); box-shadow: 0 0 0 1.5px var(--night);
}
.space-acc { padding: 2px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 700; color: rgba(255, 255, 255, .8); background: rgba(255, 255, 255, .1); }
.wall { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; }
.wall-line { position: absolute; top: 6px; bottom: 6px; left: 50%; width: 2px; margin-left: -1px; background: linear-gradient(transparent, #19c2f2 20%, #19c2f2 80%, transparent); box-shadow: 0 0 12px #19c2f2; }
.wall-badge { position: relative; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; font-size: 18px; color: var(--night); background: #19c2f2; box-shadow: 0 0 0 5px rgba(25, 194, 242, .2); }
.wall-badge svg { fill: currentColor; stroke: none; }
.wall-text { position: relative; padding: 6px 3px; border-radius: 8px; writing-mode: vertical-rl; font-size: 11.5px; font-weight: 800; letter-spacing: .2em; color: #7fe6ff; background: var(--night); }

.mech { margin-top: 30px; }
.mech li { display: grid; grid-template-columns: 38px 1fr; gap: 10px; padding: 18px 0; border-top: 1px solid rgba(255, 255, 255, .1); }
.mech li > span { font-size: 15px; font-weight: 800; color: var(--cyan); font-variant-numeric: tabular-nums; line-height: 1.6; }
.mech h3 { font-size: 16.5px; font-weight: 800; line-height: 1.5; }
.mech p { margin-top: 4px; font-size: 14px; color: rgba(255, 255, 255, .6); }

.flip { margin-top: 26px; padding: 18px; border-radius: 24px; background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .1); }
.flip-head h3 { font-size: 16px; font-weight: 800; }
.flip-switch { position: relative; display: grid; grid-template-columns: 1fr 1fr; margin-top: 12px; padding: 4px; border-radius: 14px; background: rgba(0, 0, 0, .3); }
.flip-switch button { position: relative; z-index: 1; height: 38px; border-radius: 10px; font-size: 14px; font-weight: 700; color: rgba(255, 255, 255, .55); transition: color .25s; }
.flip-switch button[aria-selected="true"] { color: #fff; }
.flip-switch i { position: absolute; top: 4px; bottom: 4px; left: 4px; width: calc(50% - 4px); border-radius: 10px; background: rgba(255, 255, 255, .14); transition: transform .35s var(--ease), background .35s; }
.flip[data-side="us"] .flip-switch i { transform: translateX(100%); background: var(--grad); }
.flip-rows { margin-top: 6px; }
.flip-rows > div { display: grid; gap: 2px; padding: 14px 0; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.flip-rows dt { font-size: 12px; font-weight: 700; color: rgba(255, 255, 255, .45); letter-spacing: .06em; }
.flip-rows dd { position: relative; padding-left: 26px; font-size: 15px; font-weight: 600; line-height: 1.6; animation: flipIn .35s var(--ease); }
.flip-rows dd::before { content: ""; position: absolute; left: 0; top: 3px; width: 18px; height: 18px; border-radius: 50%; background-position: center; background-repeat: no-repeat; background-size: 11px; }
.flip-rows .us::before { background-color: var(--cyan); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230a1130' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7'/%3E%3C/svg%3E"); }
.flip-rows .them { color: rgba(255, 255, 255, .6); }
.flip-rows .them::before { background-color: rgba(255, 255, 255, .14); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-opacity='.7' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M6 12h12'/%3E%3C/svg%3E"); }
.flip[data-side="us"] .them, .flip[data-side="them"] .us { display: none; }
@keyframes flipIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.flip-foot { margin-top: 12px; font-size: 12px; color: rgba(255, 255, 255, .4); }

.honest { margin-top: 18px; padding: 18px 18px 18px 20px; border-radius: 20px; border-left: 3px solid #ffc24d; background: rgba(255, 194, 77, .08); }
.honest h3 { font-size: 15.5px; font-weight: 800; color: #ffd27a; }
.honest ul { display: grid; gap: 8px; margin-top: 10px; }
.honest li { position: relative; padding-left: 16px; font-size: 13.5px; line-height: 1.7; color: rgba(255, 255, 255, .72); }
.honest li::before { content: ""; position: absolute; left: 0; top: 10px; width: 5px; height: 5px; border-radius: 50%; background: #ffc24d; }

/* ── 浅色通用分区 ───────────────────────────────── */
.sec { padding: 64px 0; }
.sec-soft { background: var(--soft); }
.sec-head { margin-bottom: 26px; }
.sec-head h2 { margin-top: 8px; font-size: 26px; font-weight: 800; line-height: 1.35; }
.sec-head p { margin-top: 10px; font-size: 14.5px; color: var(--muted); }
.note { margin-top: 20px; font-size: 12.5px; line-height: 1.7; color: var(--faint); }
.note.center { text-align: center; }

/* 功能：错落格子 */
.bento { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; grid-auto-flow: dense; }
.tile { position: relative; overflow: hidden; padding: 18px 16px; border-radius: 22px; background: var(--surface); box-shadow: var(--shadow-sm); }
.tile h3 { font-size: 16.5px; font-weight: 800; }
.tile p { margin-top: 4px; font-size: 13px; line-height: 1.6; color: var(--muted); }
.tile-ic { display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 14px; border-radius: 12px; font-size: 20px; }
.t-multi { grid-column: span 2; min-height: 150px; padding: 22px 20px; color: #fff; background: var(--grad); box-shadow: var(--shadow-brand); }
.t-multi h3 { font-size: 22px; }
.t-multi p { max-width: calc(100% - 150px); color: rgba(255, 255, 255, .85); font-size: 14px; }
.multi-art { position: absolute; right: 18px; top: 50%; width: 120px; height: 90px; transform: translateY(-50%); }
.ma { position: absolute; width: 58px; height: 58px; padding: 8px; border-radius: 17px; background: var(--logo-tile); box-shadow: 0 10px 20px -6px rgba(0, 10, 60, .45); }
.ma1 { left: 0; top: 16px; transform: rotate(-12deg); opacity: .75; }
.ma2 { left: 31px; top: 0; z-index: 2; }
.ma3 { left: 62px; top: 16px; transform: rotate(12deg); opacity: .75; }
.ma2::after { content: "2"; position: absolute; right: -6px; top: -6px; display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; font-size: 11px; font-weight: 800; color: #fff; background: #ff4d6d; box-shadow: 0 0 0 2px #fff; }
.t-privacy { grid-row: span 2; background: linear-gradient(180deg, #ecfbf3, #fff 70%); }
.t-privacy .tile-ic { color: #fff; background: linear-gradient(135deg, #2ed27a, #11a95c); }
.lock-art { display: grid; gap: 6px; margin-top: 16px; }
.lock-art i { position: relative; height: 22px; border-radius: 8px; background: #fff; box-shadow: inset 0 0 0 1px #d6efe2; }
.lock-art i::before { content: ""; position: absolute; left: 7px; top: 7px; width: 8px; height: 8px; border-radius: 3px; background: var(--green); }
.lock-art i::after { content: ""; position: absolute; left: 22px; right: 12px; top: 9px; height: 4px; border-radius: 2px; background: #d7efe3; }
.lock-art i:nth-child(2)::before { background: #4f7bff; }
.lock-art i:nth-child(3)::before { background: #ffb547; }
.t-freeze .tile-ic { color: var(--teal); background: var(--teal-soft); }
.t-fast .tile-ic { color: var(--amber); background: var(--amber-soft); }
.t-vip .tile-ic { color: var(--violet); background: var(--violet-soft); }
.t-sync .tile-ic { color: var(--brand); background: var(--brand-soft); }

/* 上手流程：横滑卡片 */
.steps {
  display: flex; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; scroll-padding: 0 var(--gutter);
  padding: 4px var(--gutter) 10px; scrollbar-width: none;
}
.steps::-webkit-scrollbar { display: none; }
/* 自动流动时关掉吸附，否则逐像素滚动会被吸回卡片边缘 */
.steps.flowing { scroll-snap-type: none; }
.step { position: relative; flex: 0 0 76%; max-width: 320px; scroll-snap-align: start; padding: 20px 20px 22px; border-radius: 24px; background: var(--surface); box-shadow: var(--shadow-sm); }
.step-no { display: block; font-size: 46px; font-weight: 800; line-height: 1; letter-spacing: -.02em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.step-tag { position: absolute; right: 18px; top: 22px; padding: 3px 10px; border-radius: 999px; font-size: 11.5px; font-weight: 700; color: var(--ink-2); background: var(--soft); }
.step h3 { margin-top: 14px; font-size: 17px; font-weight: 800; line-height: 1.45; }
.step p { margin-top: 6px; font-size: 13.5px; color: var(--muted); }
.step-key { box-shadow: inset 0 0 0 2px var(--brand), var(--shadow); }
.step-key .step-tag { color: #fff; background: var(--grad); }
.step-warn .step-no { background: linear-gradient(135deg, #8b96b2, #5c6886); -webkit-background-clip: text; background-clip: text; }
.step-warn .step-tag { color: #b4361c; background: var(--red-soft); }
.steps + .wrap .note { margin-top: 14px; }

/* 会员 */
.seg { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 14px; padding: 4px; border-radius: 16px; background: #e8edf7; }
.seg button { position: relative; z-index: 1; height: 42px; border-radius: 12px; font-size: 14.5px; font-weight: 700; color: var(--muted); transition: color .25s; }
.seg button[aria-selected="true"] { color: var(--ink); }
.seg-thumb { position: absolute; top: 4px; bottom: 4px; left: 4px; width: calc((100% - 8px) / 3); border-radius: 12px; background: #fff; box-shadow: var(--shadow-sm); transition: transform .35s var(--ease); }
.seg[data-active="vip"] .seg-thumb { transform: translateX(100%); }
.seg[data-active="svip"] .seg-thumb { transform: translateX(200%); }
.plans { display: grid; gap: 14px; }
.plan { position: relative; display: flex; flex-direction: column; overflow: hidden; border-radius: 26px; background: var(--surface); box-shadow: var(--shadow); }
.js .plans .plan { display: none; }
.js .plans .plan.is-active { display: flex; animation: flipIn .35s var(--ease); }
.plan-top { padding: 22px 22px 18px; background: #f3f5fa; }
.plan-vip .plan-top { background: linear-gradient(135deg, #e6edff, #f2f6ff); }
.plan-svip .plan-top { color: #fff; background: radial-gradient(100% 120% at 100% 0%, #19c2f2, transparent 60%), linear-gradient(135deg, #2340f0, #2a6bff); }
.plan h3 { font-size: 26px; font-weight: 800; letter-spacing: .02em; }
.plan-top p { margin-top: 2px; font-size: 13.5px; color: var(--muted); }
.plan-svip .plan-top p { color: rgba(255, 255, 255, .82); }
.plan ul { display: grid; gap: 11px; flex: 1; padding: 20px 22px; }
.plan li { position: relative; padding-left: 28px; font-size: 14.5px; line-height: 1.55; }
.plan li::before {
  content: ""; position: absolute; left: 0; top: 2px; width: 19px; height: 19px; border-radius: 50%;
  background: var(--green-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2313a66c' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7'/%3E%3C/svg%3E") center / 12px no-repeat;
}
.plan li.off { color: var(--faint); }
.plan li.off::before { background: #f0f2f7 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a9b2c4' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M6 12h12'/%3E%3C/svg%3E") center / 12px no-repeat; }
.plan li b { color: var(--brand-ink); }
.plan-btn { display: flex; align-items: center; justify-content: center; height: 50px; margin: 0 22px 22px; border-radius: 16px; font-size: 15px; font-weight: 800; color: var(--ink-2); background: var(--soft); }
.plan-vip .plan-btn { color: var(--brand-ink); background: var(--brand-soft); }
.plan-svip .plan-btn { color: #fff; background: var(--grad); box-shadow: var(--shadow-brand); }
.plan-ribbon { position: absolute; right: 18px; top: 20px; z-index: 1; padding: 4px 11px; border-radius: 999px; font-size: 12px; font-weight: 800; color: #6b3f00; background: linear-gradient(135deg, #ffe39a, #ffc350); }

.compare { margin-top: 14px; overflow: hidden; border-radius: var(--r); background: var(--surface); box-shadow: var(--shadow-sm); }
.compare summary { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; font-weight: 700; cursor: pointer; list-style: none; }
.compare summary::-webkit-details-marker { display: none; }
.compare summary svg { font-size: 20px; color: var(--faint); transition: transform .3s var(--ease); }
.compare[open] summary svg { transform: rotate(180deg); }
.compare-scroll { overflow-x: auto; border-top: 1px solid var(--line); }
.compare table { width: 100%; min-width: 540px; border-collapse: collapse; font-size: 13.5px; }
.compare th, .compare td { padding: 12px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.compare thead th { font-size: 12.5px; font-weight: 700; color: var(--muted); background: #f7f9fd; }
.compare thead .is-brand { color: var(--brand); }
.compare tbody th { position: sticky; left: 0; z-index: 1; min-width: 120px; font-weight: 600; background: #fff; box-shadow: 1px 0 0 var(--line); }
.compare td.no { color: var(--faint); }
.compare td.best { font-weight: 700; color: var(--brand-ink); }
.compare tr:last-child > * { border-bottom: 0; }

.perks { margin-top: 22px; padding: 4px 18px; border-radius: var(--r); background: var(--surface); box-shadow: var(--shadow-sm); }
.perks li { display: grid; grid-template-columns: 42px 1fr; gap: 14px; padding: 16px 0; }
.perks li + li { border-top: 1px solid var(--line); }
.perk-ic { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 13px; font-size: 20px; }
.pk-blue { color: var(--brand); background: var(--brand-soft); }
.pk-amber { color: var(--amber); background: var(--amber-soft); }
.pk-green { color: var(--green); background: var(--green-soft); }
.perks h3 { font-size: 15.5px; font-weight: 800; }
.perks p { margin-top: 2px; font-size: 13px; line-height: 1.65; color: var(--muted); }

/* FAQ：分隔线列表 */
.faq { padding: 0 18px; border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--shadow-sm); }
.faq details + details { border-top: 1px solid var(--line); }
.faq summary { position: relative; display: flex; gap: 10px; padding: 18px 30px 18px 0; font-size: 15px; font-weight: 700; line-height: 1.5; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 4px; top: 24px; width: 8px; height: 8px; border: solid var(--faint); border-width: 0 2px 2px 0; transform: rotate(45deg); transition: transform .3s var(--ease), top .3s; }
.faq details[open] summary::after { top: 28px; transform: rotate(-135deg); border-color: var(--brand); }
.q { flex: none; display: grid; place-items: center; width: 22px; height: 22px; margin-top: 1px; border-radius: 7px; font-size: 12px; font-weight: 800; color: var(--brand); background: var(--brand-soft); }
.faq details[open] .q { color: #fff; background: var(--grad); }
.faq details p { margin-top: -6px; padding: 0 0 18px 32px; font-size: 14px; line-height: 1.8; color: var(--ink-2); }

/* 收尾 */
.end { position: relative; overflow: hidden; overflow: clip; padding: 64px 0 72px; color: #fff; text-align: center; background: var(--band); }
.end-inner { position: relative; display: flex; flex-direction: column; align-items: center; }
.end-icon { width: 80px; height: 80px; padding: 10px; border-radius: 24px; background: var(--logo-tile); box-shadow: 0 18px 36px -10px rgba(0, 10, 70, .5); }
.end h2 { margin-top: 22px; font-size: 27px; font-weight: 800; line-height: 1.35; }
.end p { margin-top: 8px; font-size: 14.5px; color: rgba(255, 255, 255, .8); }
.end-actions { display: flex; flex-direction: column; align-items: center; gap: 14px; width: 100%; max-width: 320px; margin-top: 26px; }
.end-btn { display: flex; align-items: center; justify-content: center; width: 100%; height: 54px; border-radius: 18px; font-size: 17px; font-weight: 800; color: var(--brand-ink); background: #fff; box-shadow: 0 14px 30px -12px rgba(0, 10, 60, .6); }
.end-link { font-size: 14px; font-weight: 600; color: rgba(255, 255, 255, .85); }

/* 页脚 */
.footer { padding: 36px 0 calc(104px + env(safe-area-inset-bottom)); background: #fff; }
.footer-inner { display: grid; gap: 26px; }
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-brand img { width: 36px; height: 36px; padding: 3px; border-radius: 11px; background: var(--logo-tile); box-shadow: var(--shadow-sm); }
.footer-brand strong { display: block; font-size: 16px; }
.footer-brand small { display: block; font-size: 12.5px; color: var(--muted); }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.footer-cols nav { display: grid; gap: 10px; align-content: start; font-size: 14px; }
.footer-cols strong { font-size: 12.5px; color: var(--faint); }
.footer-cols a { color: var(--ink-2); }
.copyright { padding-top: 18px; border-top: 1px solid var(--line); font-size: 12px; color: var(--faint); }

/* 底部常驻下载条 */
.dock {
  position: fixed; z-index: 80; left: 10px; right: 10px; bottom: calc(10px + env(safe-area-inset-bottom));
  display: flex; align-items: center; gap: 11px; padding: 9px 9px 9px 11px; border-radius: 22px;
  color: #fff; background: rgba(12, 21, 48, .92);
  -webkit-backdrop-filter: saturate(160%) blur(20px); backdrop-filter: saturate(160%) blur(20px);
  box-shadow: 0 18px 40px -12px rgba(8, 16, 44, .55);
  transform: translateY(150%); transition: transform .45s var(--ease);
}
.dock.show { transform: none; }
.dock img { width: 40px; height: 40px; padding: 4px; border-radius: 12px; background: var(--logo-tile); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12); }
.dock-copy { flex: 1; min-width: 0; line-height: 1.3; }
.dock-copy strong { display: block; font-size: 15px; }
.dock-copy small { display: block; overflow: hidden; font-size: 12px; white-space: nowrap; text-overflow: ellipsis; color: rgba(255, 255, 255, .6); }
.dock-btn { display: flex; align-items: center; height: 42px; padding: 0 24px; border-radius: 14px; font-size: 15px; font-weight: 800; color: #fff; background: var(--grad); }

.back-top {
  position: fixed; z-index: 70; right: 28px; bottom: 28px; display: none; place-items: center; width: 44px; height: 44px;
  border-radius: 50%; font-size: 20px; color: var(--ink-2); background: #fff; box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; transition: .3s var(--ease);
}
.back-top.show { opacity: 1; visibility: visible; }

/* 弹窗：手机端为底部抽屉 */
.modal {
  position: fixed; inset: 0; z-index: 150; display: flex; align-items: flex-end; justify-content: center;
  background: rgba(8, 16, 40, .45); opacity: 0; visibility: hidden; transition: opacity .3s, visibility 0s .3s;
}
.modal.show { opacity: 1; visibility: visible; transition: opacity .3s; }
.modal-card {
  position: relative; width: 100%; max-height: 88vh; overflow-y: auto; padding: 12px 22px calc(26px + env(safe-area-inset-bottom));
  border-radius: 26px 26px 0 0; background: #fff; text-align: center; transform: translateY(100%); transition: transform .4s var(--ease);
}
.modal.show .modal-card { transform: none; }
.modal-grip { display: block; width: 40px; height: 5px; margin: 0 auto 16px; border-radius: 5px; background: #dde3ee; }
.modal-close { position: absolute; right: 14px; top: 14px; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; font-size: 17px; color: var(--muted); background: var(--soft); }
.modal-title { font-size: 20px; font-weight: 800; }
.modal-desc { margin-top: 8px; font-size: 14px; color: var(--muted); }
.modal-image { width: min(260px, 72vw); margin: 18px auto 4px; border-radius: 16px; border: 1px solid var(--line); }
.invite-code { margin: 18px 0 14px; padding: 18px; border-radius: 18px; font-size: 30px; font-weight: 800; letter-spacing: .14em; color: var(--brand-ink); background: var(--brand-soft); border: 1.5px dashed #b9c9ff; }
.modal-btn { display: flex; align-items: center; justify-content: center; width: 100%; height: 50px; border-radius: 16px; font-size: 15px; font-weight: 800; color: var(--brand-ink); background: var(--brand-soft); }
.modal-btn-primary { color: #fff; background: var(--grad); box-shadow: var(--shadow-brand); }
.modal-btn:disabled { opacity: .6; }
.login-form { display: grid; gap: 10px; margin-top: 18px; text-align: left; }
.login-form label { font-size: 13px; font-weight: 700; color: var(--ink-2); }
.login-form input { height: 50px; padding: 0 16px; border-radius: 14px; font: inherit; font-size: 16px; color: var(--ink); background: #f5f7fc; border: 1.5px solid var(--line); outline: 0; }
.login-form input:focus { border-color: var(--brand); background: #fff; }
.login-form .modal-btn { margin-top: 6px; }
.login-message { min-height: 20px; font-size: 13px; text-align: center; }
.login-message.error { color: var(--red); }
.login-message.success { color: var(--green); }

.toast {
  position: fixed; z-index: 200; left: 50%; bottom: calc(96px + env(safe-area-inset-bottom)); max-width: calc(100% - 48px);
  padding: 11px 18px; border-radius: 14px; font-size: 14px; color: #fff; background: rgba(12, 21, 48, .94);
  transform: translate(-50%, 12px); opacity: 0; pointer-events: none; transition: .3s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* 动画：首屏加载即上浮；其余滚动到才出现。脚本失效时内容照常可见 */
.js .rise { animation: rise .8s var(--ease) both; }
.js .rise.d1 { animation-delay: .07s; }
.js .rise.d2 { animation-delay: .14s; }
.js .rise.d3 { animation-delay: .21s; }
@keyframes rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.js .reveal.d1 { transition-delay: .08s; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ═════════ ≥ 600px ═════════ */
@media (min-width: 600px) {
  :root { --gutter: 32px; }
  .dl-card { max-width: 560px; margin-left: auto; margin-right: auto; padding: 20px; }
  .shot { flex-basis: 46%; }
  .step { flex-basis: 46%; }
  .big-quote { font-size: 30px; }
  .modal { align-items: center; padding: 24px; }
  .modal-card { max-width: 420px; padding: 30px 28px 28px; border-radius: 28px; transform: translateY(20px) scale(.97); }
  .modal-grip { display: none; }
  .footer-inner { grid-template-columns: 1fr 1.6fr; }
  .copyright { grid-column: 1 / -1; }
}

/* ═════════ ≥ 960px：桌面 ═════════ */
@media (min-width: 960px) {
  :root { --nav-h: 70px; }
  body { font-size: 16px; }
  .menu-btn, .nav-scrim { display: none !important; }
  .nav-inner { gap: 24px; }
  .nav-panel {
    position: static; display: flex; align-items: center; gap: 16px; flex: 1; padding: 0; color: inherit;
    background: none; box-shadow: none; border-radius: 0; opacity: 1; visibility: visible; transform: none;
  }
  .nav-links { display: flex; gap: 2px; }
  .nav-links a { height: 36px; padding: 0 11px; border-radius: 10px; font-size: 14.5px; font-weight: 600; white-space: nowrap; background: none; opacity: .88; }
  .nav-links a:hover { opacity: 1; background: rgba(255, 255, 255, .14); }
  .nav.scrolled .nav-links a:hover { background: var(--soft); }
  .nav-extra { display: flex; gap: 2px; margin: 0 0 0 auto; padding: 0; border: 0; }
  .nav-extra-item { height: 36px; padding: 0 11px; color: inherit; white-space: nowrap; opacity: .88; }
  .nav-extra-item:hover { opacity: 1; background: rgba(255, 255, 255, .14); }
  .nav-extra-item svg { color: inherit; font-size: 16px; }
  .nav.scrolled .nav-extra-item svg { color: var(--brand); }
  .nav-extra-item.is-zonecat { opacity: 1; }
  .nav-dl { height: 40px; padding: 0 22px; }

  .hero-band { padding: calc(var(--nav-h) + 40px) 0 170px; border-radius: 0 0 56px 56px; }
  .band-inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 40px; }
  .band-copy { align-items: flex-start; text-align: left; }
  .icon-stage { margin-left: -122px; }
  .au1 { width: 1100px; height: 1100px; left: -380px; top: -480px; }
  .au2 { width: 1000px; height: 1000px; right: -300px; bottom: -560px; }
  .au3 { width: 800px; height: 800px; right: 10%; top: -420px; }
  .au4 { width: 700px; height: 700px; left: 30%; bottom: -420px; }
  .beam { width: 640px; height: 640px; margin: -320px 0 0 -320px; }
  .app-name { font-size: 60px; letter-spacing: .02em; }
  .slogan { margin-top: 12px; font-size: 24px; }
  .news { margin-top: 26px; height: 36px; font-size: 13.5px; }


  .dl-card {
    display: grid; grid-template-columns: 1.25fr 1fr 1.1fr; align-items: center; gap: 28px;
    max-width: none; margin-top: -110px; padding: 26px 28px; border-radius: 30px;
  }
  .stats { padding: 0; border: 0; }
  .stats strong { font-size: 24px; }
  .stats small, .stats span { font-size: 12px; }
  .dl-main { margin: 0; }
  .dl-btn:hover { transform: translateY(-2px); }
  .quick { grid-template-columns: 1fr; margin: 0; padding: 0 0 0 24px; border: 0; border-left: 1px solid var(--line); }
  .quick-item:hover { background: var(--soft); }

  .gallery-sec { padding-top: 88px; }
  .row-head h2 { font-size: 32px; }
  .row-hint { display: none; }
  .gallery { max-width: 1180px; margin: 0 auto; overflow: visible; padding: 4px var(--gutter) 0; gap: 18px; }
  .shot { flex: 1 1 0; max-width: none; transition: transform .35s var(--ease); }
  .shot:hover { transform: translateY(-6px); }
  .gallery-dots { display: none; }

  .statement { padding: 110px 0; text-align: center; }
  .big-quote { max-width: 920px; margin: 14px auto 0; font-size: 40px; line-height: 1.5; }
  .pillars { max-width: 760px; margin: 48px auto 0; }

  .dark-sec { padding: 110px 0; border-radius: 56px 56px 0 0; }
  .dk-head { display: grid; grid-template-columns: 1fr 1fr; column-gap: 48px; align-items: end; }
  .dk-head .kicker, .dk-head h2 { grid-column: 1; }
  .dk-head h2 { font-size: 44px; }
  .dk-head p { grid-column: 2; grid-row: 1 / span 2; margin: 0; font-size: 17px; }
  .diagram { max-width: 760px; margin: 56px auto 0; grid-template-columns: 1fr 90px 1fr; }
  .space { padding: 26px 20px 22px; }
  .space-apps { max-width: 190px; gap: 12px; }
  .space-apps i { width: calc((100% - 24px) / 3); }
  .mech { display: grid; grid-template-columns: 1fr 1fr; column-gap: 48px; margin-top: 56px; }
  .flip { display: grid; grid-template-columns: 280px 1fr; gap: 32px; margin-top: 40px; padding: 30px; }
  .flip-rows { margin: 0; }
  .flip-rows > div { grid-template-columns: 110px 1fr; align-items: center; }
  .flip-rows > div:first-child { padding-top: 0; }
  .flip-foot { grid-column: 2; margin-top: 0; }
  .honest { display: grid; grid-template-columns: 280px 1fr; gap: 32px; padding: 26px 30px; }
  .honest ul { margin: 0; }

  .sec { padding: 110px 0; }
  .sec-head { display: grid; grid-template-columns: 1fr 1fr; column-gap: 48px; align-items: end; margin-bottom: 44px; }
  .sec-head h2 { grid-column: 1; font-size: 40px; }
  .sec-head .kicker { grid-column: 1; }
  .sec-head p { grid-column: 2; grid-row: 1 / span 2; align-self: end; margin: 0; font-size: 16px; }
  .wrap-narrow .sec-head { display: block; text-align: center; }

  .bento { grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .tile { padding: 26px 24px; transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
  .tile:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
  .t-multi { grid-column: span 2; min-height: 0; padding: 32px; }
  .t-multi h3 { font-size: 30px; }
  .t-multi p { max-width: 60%; font-size: 16px; }
  .multi-art { right: 40px; transform: translateY(-50%) scale(1.3); transform-origin: right center; }
  .t-multi p { max-width: calc(100% - 220px); }

  .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; max-width: 1180px; margin: 0 auto; padding: 4px var(--gutter) 0; overflow: visible; }
  .step { max-width: none; padding: 26px 24px; }

  .seg { display: none; }
  .js .plans .plan, .plans .plan { display: flex; animation: none; }
  .plans { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .plan-svip { transform: translateY(-12px); box-shadow: 0 40px 70px -30px rgba(37, 80, 255, .55); }
  .compare { margin-top: 26px; }
  .compare th, .compare td { padding: 14px 22px; font-size: 14.5px; }
  .perks { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin-top: 26px; padding: 8px 0; }
  .perks li { padding: 20px 24px; }
  .perks li + li { border-top: 0; border-left: 1px solid var(--line); }

  .faq { padding: 0 28px; }
  .faq summary { padding: 22px 30px 22px 0; font-size: 16.5px; }
  .faq summary::after { top: 28px; }
  .faq details[open] summary::after { top: 32px; }

  .end { padding: 110px 0; }
  .end h2 { font-size: 44px; }
  .end p { font-size: 17px; }
  .end-actions { flex-direction: row; justify-content: center; max-width: none; gap: 24px; }
  .end-btn { width: auto; padding: 0 44px; }

  .footer { padding-bottom: 40px; }
  .dock { display: none; }
  .back-top { display: grid; }
  .toast { bottom: 40px; }
}

/* 960–1279px：导航次要入口收成图标 */
@media (min-width: 960px) and (max-width: 1279px) {
  .nav-inner { gap: 14px; }
  .nav-links a { padding: 0 8px; }
  .nav-extra-item:not(.is-zonecat) { width: 36px; padding: 0; justify-content: center; }
  .nav-extra-item:not(.is-zonecat) span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
}

/* ═════════════════════════════════════════════════
   滚动互动（由 site.js 驱动；不支持 JS 或开启"减少动态效果"时全部静止可读）
   ═════════════════════════════════════════════════ */

/* 阅读进度条 */
.progress {
  position: fixed; z-index: 120; left: 0; right: 0; top: 0; height: 2.5px; pointer-events: none;
  background: var(--grad); box-shadow: 0 0 10px rgba(47, 91, 255, .6);
  transform-origin: 0 50%; transform: scaleX(var(--p, 0));
}

/* 入场：模糊 + 上浮 + 微缩放，同组元素依次出现 */
.js .reveal {
  opacity: 0; transform: translateY(28px) scale(.98); filter: blur(6px);
  transition: opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease);
  transition-delay: calc(var(--i, 0) * 70ms);
}
.js .reveal.visible { opacity: 1; transform: none; filter: none; }

/* 截图画廊：手机端封面流 */
@media (max-width: 959px) {
  .js .shot { transform: perspective(900px) rotateY(var(--ry, 0deg)) scale(var(--s, 1)); opacity: var(--o, 1); transition: transform .15s linear, opacity .15s linear; }
}

/* 大字介绍：随滑动逐字点亮 */
.big-quote .w { color: rgba(12, 21, 48, .14); transition: color .4s; }
.big-quote .w.lit { color: var(--ink); }
.big-quote mark .w.lit { color: var(--brand-ink); }
.js .big-quote.split mark { background-size: 0% 100%; background-repeat: no-repeat; transition: background-size .8s var(--ease); }
.js .big-quote.split mark.lit { background-size: 100% 100%; }

/* 深色区：滑入时从卡片放大到整屏 */
.js .dark-sec { transform: scale(calc(.9 + .1 * var(--e, 1))); transform-origin: 50% 0; }

/* 隔离示意图：依次出场 + 分身飞过隔离墙 */
.diagram { position: relative; }
.js .diagram .space { opacity: 0; transform: translateX(-26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.js .diagram .space-us { transform: translateX(26px); }
.js .diagram.visible .space { opacity: 1; transform: none; }
.js .diagram .space-apps i { opacity: 0; transform: scale(.4); transition: opacity .5s var(--ease), transform .6s cubic-bezier(.3, 1.6, .5, 1); }
.js .diagram .space-apps i:nth-child(1) { transition-delay: .35s; }
.js .diagram .space-apps i:nth-child(2) { transition-delay: .43s; }
.js .diagram .space-apps i:nth-child(3) { transition-delay: .51s; }
.js .diagram .space-apps i:nth-child(4) { transition-delay: .59s; }
.js .diagram .space-apps i:nth-child(5) { transition-delay: .67s; }
.js .diagram.visible .space-apps i { opacity: 1; transform: none; }
.js .diagram .wall-line { transform: scaleY(0); transition: transform 1s .2s var(--ease); }
.js .diagram.visible .wall-line { transform: scaleY(1); }
.wall-line::after {
  content: ""; position: absolute; left: -2px; top: 0; width: 6px; height: 34px; border-radius: 3px;
  background: linear-gradient(transparent, #e6fbff, transparent); animation: scan 2.6s linear infinite;
}
@keyframes scan { from { transform: translateY(-34px); } to { transform: translateY(260px); } }
.clone-fly {
  position: absolute; left: 25%; top: 44%; z-index: 2; width: 30px; height: 30px; margin: -15px 0 0 -15px; border-radius: 9px; pointer-events: none;
  box-shadow: 0 0 18px rgba(79, 123, 255, .8), 0 0 0 1px rgba(255, 255, 255, .3); opacity: 0;
}
.clone-fly img { display: block; width: 100%; height: 100%; border-radius: inherit; }
.diagram.visible .clone-fly { animation: fly 3.8s 1.4s var(--ease) infinite; }
.diagram.visible .wall-badge { animation: wallPulse 3.8s 1.4s infinite; }
@keyframes fly {
  0% { left: 25%; opacity: 0; transform: scale(.4); }
  12% { opacity: 1; transform: scale(1); }
  46% { left: 50%; transform: scale(1.18); box-shadow: 0 0 34px 10px rgba(25, 194, 242, .9), inset 0 0 0 1px rgba(255, 255, 255, .5); }
  82% { left: 75%; opacity: 1; transform: scale(1); }
  100% { left: 75%; opacity: 0; transform: scale(.5); }
}
@keyframes wallPulse { 0%, 38%, 60%, 100% { box-shadow: 0 0 0 5px rgba(25, 194, 242, .2); } 46% { box-shadow: 0 0 0 12px rgba(25, 194, 242, .35), 0 0 30px rgba(25, 194, 242, .9); } }

/* 原理四条：手机端滑到中间的那条高亮 */
.mech li, .mech li > span { transition: opacity .45s var(--ease), text-shadow .45s; }
.js .mech.focus-mode li { opacity: .38; }
.js .mech.focus-mode li.active { opacity: 1; }
.mech li.active > span { text-shadow: 0 0 14px rgba(25, 194, 242, .95); }

/* 应用多开卡：两侧分身从主图标后滑出 */
.js .t-multi .ma1, .js .t-multi .ma3 { transition: transform 1s .35s cubic-bezier(.3, 1.4, .5, 1), opacity .8s .35s; }
.js .t-multi:not(.visible) .ma1 { transform: translateX(31px); opacity: 0; }
.js .t-multi:not(.visible) .ma3 { transform: translateX(-31px); opacity: 0; }
.ma2 { animation: bob 5s ease-in-out infinite; }

/* SVIP 卡：流动光边 */
.plan-svip::after {
  content: ""; position: absolute; inset: 0; padding: 2px; border-radius: inherit; pointer-events: none;
  background: conic-gradient(from var(--ang), transparent 0 62%, rgba(25, 194, 242, .95) 78%, #fff 82%, transparent 94%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  animation: ang 4s linear infinite;
}

/* 常见问题：内容区高度由脚本做平滑过渡 */
.faq details p { overflow: hidden; }

/* 按下水波纹 */
.dl-btn, .plan-btn, .end-btn, .dock-btn, .modal-btn, .nav-dl, .quick-item, .seg button, .flip-switch button { position: relative; overflow: hidden; }
.ripple {
  position: absolute; border-radius: 50%; pointer-events: none; background: currentColor; opacity: .22;
  transform: scale(0); animation: ripple .65s var(--ease) forwards;
}
@keyframes ripple { to { transform: scale(1); opacity: 0; } }

/* 桌面：功能格子跟随鼠标的倾斜与光斑 */
@media (hover: hover) and (min-width: 960px) {
  .tile { transform: perspective(900px) rotateX(var(--tx, 0deg)) rotateY(var(--ty, 0deg)); transition: transform .2s ease-out, box-shadow .3s var(--ease); }
  .tile:hover { transform: perspective(900px) rotateX(var(--tx, 0deg)) rotateY(var(--ty, 0deg)) translateY(-4px); }
  .tile::after {
    content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s;
    background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(47, 91, 255, .12), transparent 60%);
  }
  .t-multi::after { background: radial-gradient(320px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, .18), transparent 60%); }
  .tile:hover::after { opacity: 1; }
  .shot { transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
  .shot:hover { transform: translateY(-8px) rotate(-1deg); box-shadow: 0 30px 50px -20px rgba(20, 40, 120, .45); }
}

/* 减少动态效果：全部静止 */
@media (prefers-reduced-motion: reduce) {
  .js .reveal, .js .diagram .space, .js .diagram .space-apps i, .js .t-multi .ma1, .js .t-multi .ma3 { opacity: 1; transform: none; filter: none; }
  .js .diagram .wall-line, .js .dark-sec { transform: none; }
}

/* ═════════ 电脑端首屏：保证打开即能看到完整下载卡 ═════════ */
@media (min-width: 960px) {
  .hero-band { padding: calc(var(--nav-h) + 28px) 0 132px; }
  /* 下载卡：两个下载按钮并排，卡片整体变矮 */
  .dl-card { grid-template-columns: 1fr 1.5fr .9fr; gap: 26px; margin-top: -96px; padding: 22px 26px; }
  .dl-pair { grid-template-columns: 1fr 1fr; gap: 12px; }
  .dl-btn { height: 60px; padding: 0 14px 0 9px; }
  .dl-ic { width: 42px; height: 42px; }
  .dl-copy strong { font-size: 16px; }
  .dl-copy small { font-size: 12px; }
  .dl-sub { margin-top: 12px; }
  /* 右侧手机组图按屏幕高度缩放 */
}
/* 较矮的屏幕（多数笔记本）：左侧内容按比例收紧 */
@media (min-width: 960px) and (max-height: 860px) {
  .hero-band { padding: calc(var(--nav-h) + 16px) 0 120px; }
  .icon-stage { zoom: .8; }
  .app-name { font-size: 50px; }
  .slogan { margin-top: 8px; font-size: 20px; }
  .news { margin-top: 18px; }
  .dl-card { margin-top: -90px; }
}
@media (min-width: 960px) and (max-height: 700px) {
  .hero-band { padding: calc(var(--nav-h) + 6px) 0 112px; }
  .icon-stage { zoom: .66; }
  .band-copy h1 { margin-top: -10px; }
  .app-name { font-size: 42px; }
  .slogan { margin-top: 4px; font-size: 18px; line-height: 1.5; }
  .news { margin-top: 12px; height: 32px; }
  .dl-card { margin-top: -88px; padding: 18px 24px; }
}
@media (min-width: 960px) and (max-height: 600px) {
  .hero-band { padding: calc(var(--nav-h) + 2px) 0 104px; }
  .icon-stage { zoom: .54; }
  .band-copy h1 { margin-top: -12px; }
  .app-name { font-size: 36px; }
  .slogan { font-size: 16px; }
  .news { margin-top: 10px; height: 30px; font-size: 12.5px; }
  .dl-card { margin-top: -86px; padding: 16px 22px; }
}
/* 960–1279px 宽：左侧外延空间不够，轨道不再伸出版心 */
@media (min-width: 960px) and (max-width: 1279px) {
  .icon-stage { margin-left: -40px; }
}
/* 960–1199px 宽：下载卡三栏收紧，按钮只留标题 */
@media (min-width: 960px) and (max-width: 1199px) {
  .dl-card { grid-template-columns: .95fr 1.35fr .75fr; gap: 18px; padding-left: 20px; padding-right: 20px; }
  .stats strong { font-size: 20px; }
  .stats small, .stats span { font-size: 11px; white-space: nowrap; }
  .dl-btn { height: 54px; }
  .dl-copy small { display: none; }
  .quick { padding-left: 18px; }
}

/* ═════════ 电脑端首屏：三台手机展示 ═════════ */
@media (min-width: 960px) {
  .band-phones {
    --ph: clamp(230px, calc(100vh - 330px), 470px);
    position: relative; display: block; height: var(--ph); perspective: 850px; perspective-origin: 50% 40%;
  }
  .bp-glow {
    position: absolute; left: 50%; top: 46%; width: calc(var(--ph) * 1.25); height: calc(var(--ph) * 1.1); transform: translate(-50%, -50%);
    border-radius: 50%; pointer-events: none;
    background: radial-gradient(closest-side, rgba(80, 130, 255, .45), rgba(110, 80, 255, .18) 55%, transparent);
    filter: blur(10px); animation: glowPulse 6s ease-in-out infinite;
  }
  @keyframes glowPulse { 50% { opacity: .7; transform: translate(-50%, -50%) scale(1.06); } }
  /* 整组随鼠标轻微转动（--mx / --my 由脚本写入，-1 ~ 1） */
  .bp-rig {
    position: absolute; inset: 0; transform-style: preserve-3d;
    transform: rotateY(calc(var(--mx, 0) * 7deg)) rotateX(calc(var(--my, 0) * -5deg));
    transition: transform .6s var(--ease);
  }
  .bp {
    position: absolute; left: 50%; top: 0; margin: 0; width: calc(var(--ph) * .5); transform-style: preserve-3d; cursor: pointer;
    transition: transform 1s cubic-bezier(.65, 0, .25, 1);
  }
  /* 机身：深色金属边框 + 侧键 */
  .bp-body {
    position: relative; padding: calc(var(--ph) * .016); border-radius: calc(var(--ph) * .085);
    background: linear-gradient(145deg, #4a5266 0%, #151923 22%, #0a0d14 60%, #2d3342 100%);
    box-shadow:
      0 50px 80px -30px rgba(0, 0, 20, .85),
      0 24px 40px -20px rgba(30, 60, 180, .45),
      inset 0 0 0 1px rgba(255, 255, 255, .12),
      inset 0 0 0 3px rgba(0, 0, 0, .6);
  }
  .bp-body::before, .bp-body::after { content: ""; position: absolute; width: 3px; border-radius: 2px; background: linear-gradient(90deg, #2c3240, #59627a); }
  .bp-body::before { right: -2px; top: 22%; height: 11%; }
  .bp-body::after { right: -2px; top: 36%; height: 6%; }
  .bp-screen { position: relative; overflow: hidden; border-radius: calc(var(--ph) * .07); background: #0b0f1d; }
  .bp-screen img { display: block; width: 100%; height: auto; }
  /* 前置摄像头 + 玻璃反光 */
  .bp-screen::before {
    content: ""; position: absolute; z-index: 2; left: 50%; top: calc(var(--ph) * .018); width: calc(var(--ph) * .022); height: calc(var(--ph) * .022);
    margin-left: calc(var(--ph) * -.011); border-radius: 50%; background: #05070d; box-shadow: inset 0 0 0 1.5px #1b2132;
  }
  .bp-screen::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(115deg, rgba(255, 255, 255, .16) 0%, rgba(255, 255, 255, .04) 28%, transparent 42%, transparent 70%, rgba(255, 255, 255, .05) 100%);
  }
  /* 三个机位：中间在前，两侧后退并向内转。悬浮动画跟着手机走（类名），机位跟着 data-pos 走 */
  .bp[data-pos="c"] { cursor: default; transform: translateX(-50%) translateZ(60px); }
  .bp[data-pos="l"] { transform: translateX(-105%) translateY(calc(var(--ph) * .09)) translateZ(-70px) rotateY(32deg) scale(.94); }
  .bp[data-pos="r"] { transform: translateX(5%) translateY(calc(var(--ph) * .09)) translateZ(-70px) rotateY(-32deg) scale(.94); }
  .bp-c { animation: bpFloat 7s ease-in-out infinite; }
  .bp-l { animation: bpFloat 7s -2.3s ease-in-out infinite; }
  .bp-r { animation: bpFloat 7s -4.6s ease-in-out infinite; }
  .bp .bp-screen img { transition: filter 1s; }
  .bp:not([data-pos="c"]) .bp-screen img { filter: brightness(.8) saturate(.9); }
  .bp:not([data-pos="c"]):hover .bp-screen img { filter: brightness(.95); }
  @keyframes bpFloat { 50% { translate: 0 -10px; } }
  /* 落地投影 */
  .bp-floor {
    position: absolute; left: 50%; bottom: calc(var(--ph) * -.2); width: calc(var(--ph) * 1.3); height: calc(var(--ph) * .12); transform: translateX(-50%);
    border-radius: 50%; background: radial-gradient(closest-side, rgba(0, 0, 0, .55), transparent); pointer-events: none;
  }
  /* 玻璃标签 */
  .bp-tag {
    position: absolute; z-index: 5; display: inline-flex; align-items: center; gap: 8px; height: 34px; padding: 0 14px 0 10px; border-radius: 12px;
    font-size: 12.5px; font-weight: 700; color: #fff; white-space: nowrap;
    background: rgba(14, 20, 46, .62); border: 1px solid rgba(255, 255, 255, .16);
    -webkit-backdrop-filter: blur(14px) saturate(160%); backdrop-filter: blur(14px) saturate(160%);
    box-shadow: 0 14px 30px -14px rgba(0, 0, 0, .6);
    animation: tagFloat 6s ease-in-out infinite;
  }
  .bp-tag b { color: #ffd25a; }
  .bp-tag i { width: 8px; height: 8px; border-radius: 50%; }
  .tg-blue { background: #5b8cff; box-shadow: 0 0 10px #5b8cff; }
  .tg-green { background: #34d399; box-shadow: 0 0 10px #34d399; }
  .tg-amber { background: #ffc24d; box-shadow: 0 0 10px #ffc24d; }
  .tag-1 { left: -6%; top: 30%; }
  .tag-2 { left: -2%; bottom: 10%; animation-delay: -2s; }
  .tag-3 { right: -4%; top: 6%; animation-delay: -4s; }
  @keyframes tagFloat { 50% { translate: 0 -6px; } }
}
/* 矮屏时标签会挤，隐藏 */
@media (min-width: 960px) and (max-height: 640px) { .bp-tag { display: none; } }

/* 从底部条跳回来时，两个下载按钮闪一下光提示 */
.dl-pair.flash .dl-btn { animation: dlFlash 1.5s var(--ease); }
.dl-pair.flash .dl-ios { animation-delay: .12s; }
@keyframes dlFlash {
  0%, 100% { transform: none; }
  20% { transform: scale(1.035); box-shadow: 0 0 0 4px rgba(47, 91, 255, .25), 0 18px 36px -10px rgba(40, 90, 255, .7); }
  45% { transform: scale(1); }
  65% { transform: scale(1.02); box-shadow: 0 0 0 3px rgba(47, 91, 255, .18), 0 14px 28px -10px rgba(40, 90, 255, .55); }
}

/* ═════════ 电脑端下载卡：两行布局，避免一行塞三块内容 ═════════
   上行：数据 | 两个下载按钮；下行：细线分隔，左侧安装说明，右侧公众号 / 推广码小按钮 */
@media (min-width: 960px) {
  .dl-card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
    grid-template-areas: "stats pair" "sub quick";
    gap: 0; align-items: center; padding: 22px 32px 0;
  }
  .dl-main { display: contents; }
  .stats { grid-area: stats; padding-right: 32px; margin-right: 32px; border-right: 1px solid var(--line); }
  .stats li { padding: 0 6px; }
  .stats strong { font-size: 26px; }
  .stats small, .stats span { font-size: 12px; white-space: nowrap; }
  .dl-pair { grid-area: pair; grid-template-columns: 1fr 1fr; gap: 14px; }
  .dl-btn { height: 62px; }
  .dl-copy small { display: block; }
  .dl-sub, .quick { align-self: stretch; align-items: center; margin: 18px 0 0; padding: 12px 0 14px; border-top: 1px solid var(--line); }
  .dl-sub { grid-area: sub; justify-content: flex-start; }
  .quick { grid-area: quick; display: flex; justify-content: flex-end; gap: 10px; border-left: 0; }
  .quick-item { display: inline-flex; align-items: center; gap: 8px; padding: 5px 14px 5px 5px; border-radius: 999px; background: var(--soft); }
  .quick-item .qi { width: 28px; height: 28px; border-radius: 50%; font-size: 15px; }
  .quick-item strong { font-size: 13px; }
  .quick-item small { display: none; }
}
@media (min-width: 960px) and (max-width: 1199px) {
  .dl-card { padding: 18px 22px 0; }
  .stats { padding-right: 20px; margin-right: 20px; }
  .stats strong { font-size: 21px; }
  .dl-copy small { display: none; }
}
@media (min-width: 960px) and (max-height: 700px) {
  .dl-card { padding-top: 16px; }
  .dl-btn { height: 54px; }
  .dl-sub, .quick { margin-top: 12px; padding: 9px 0 10px; }
}

/* 卡片别压住上面的手机：手机组缩小一点，卡片下移一点（仍保证打开即见完整卡片） */
@media (min-width: 960px) {
  .band-phones { --ph: clamp(220px, calc(100vh - 362px), 440px); }
  .dl-card { margin-top: -66px; }
}
@media (min-width: 960px) and (max-height: 860px) { .dl-card { margin-top: -60px; } }
@media (min-width: 960px) and (max-height: 700px) { .dl-card { margin-top: -58px; } }
@media (min-width: 960px) and (max-height: 600px) { .dl-card { margin-top: -56px; } }