/* limburgite.com 公共样式（2026-10-20 第二版）。
   参照本人给的 Tesla、SpaceX、Apple、华为产品页：顶部导航叠在首屏上、大写宽字距；首屏铺满且会动；
   华为式大卡片轮播；整屏的技术介绍。英文用 Barlow / Barlow Condensed（OFL，assets/fonts），中文用系统黑体。
   颜色只在这里定义；页面主体深色为主，正文区跟随系统深浅色。 */

@font-face { font-family: "Barlow"; font-weight: 400; font-display: swap; src: url("fonts/barlow-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Barlow"; font-weight: 500; font-display: swap; src: url("fonts/barlow-latin-500-normal.woff2") format("woff2"); }
@font-face { font-family: "Barlow"; font-weight: 600; font-display: swap; src: url("fonts/barlow-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Barlow"; font-weight: 700; font-display: swap; src: url("fonts/barlow-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 600; font-display: swap; src: url("fonts/barlow-condensed-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 700; font-display: swap; src: url("fonts/barlow-condensed-latin-700-normal.woff2") format("woff2"); }

:root {
  --bg: #ffffff;
  --bg-alt: #f5f5f7;
  --card: #ffffff;
  --ink: #1d1d1f;
  --ink-2: #424245;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --btn-bg: #1d1d1f;
  --btn-ink: #ffffff;
  --focus: #0071e3;

  --teal: #22b49b;
  --teal-deep: #0a5a4e;
  --teal-ink: #0b7a68;
  --navy: #1b2140;
  --navy-deep: #0d1020;
  --cream: #f3e3b5;
  --olivine: #b9d35f;
  --cinnabar: #c8553d;

  --maxw: 1240px;
  --edge: clamp(20px, 3.6vw, 64px);
  --gutter: 22px;
  --radius: 18px;
  --radius-lg: 28px;
  --cjk: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC";
  --font: "Barlow", -apple-system, BlinkMacSystemFont, "Segoe UI", var(--cjk), Roboto, Arial, sans-serif;
  --font-display: "Barlow Condensed", "Barlow", "Segoe UI", var(--cjk), Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, "SF Mono", Menlo, monospace;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-alt: #0f0f11;
    --card: #161617;
    --ink: #f5f5f7;
    --ink-2: #d2d2d7;
    --muted: #a1a1a6;
    --line: #2c2c2e;
    --btn-bg: #f5f5f7;
    --btn-ink: #1d1d1f;
    --focus: #4ca1ff;
    --teal-ink: #4fd1b8;
  }
}

/* 定死深色的区块 */
.dark {
  --bg: #000000;
  --bg-alt: #0f0f11;
  --card: #141416;
  --ink: #f5f5f7;
  --ink-2: #d2d2d7;
  --muted: #a1a1a6;
  --line: #2c2c2e;
  --btn-bg: #f5f5f7;
  --btn-ink: #1d1d1f;
  --teal-ink: #4fd1b8;
  color: var(--ink);
  background-color: var(--bg);
  color-scheme: dark;
}

/* ---------- 基础 ---------- */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 var(--font); -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, svg, canvas, video { max-width: 100%; display: block; }
a { color: var(--teal-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }
code { font-family: var(--mono); font-size: 0.86em; word-break: break-all; }
sup.fn { font-size: .45em; vertical-align: super; margin-left: 2px; font-weight: 600; opacity: .8; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 12px; z-index: 200; background: #fff; color: #000; padding: 8px 14px; }

html[data-lang="en"] .zh, html:not([data-lang="en"]) .en { display: none !important; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--edge); }
.center { text-align: center; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }

/* ---------- 字号 ---------- */

.display {
  font-family: var(--font-display); font-weight: 700; margin: 0;
  font-size: clamp(40px, 7.4vw, 104px); line-height: 1.02; letter-spacing: .01em;
}
html[data-lang="en"] .display { text-transform: uppercase; letter-spacing: 0; }
.headline {
  font-family: var(--font-display); font-weight: 700; margin: 0 0 20px;
  font-size: clamp(32px, 5vw, 64px); line-height: 1.08; letter-spacing: .01em;
}
.title { font-size: clamp(22px, 2.4vw, 30px); line-height: 1.25; font-weight: 700; margin: 0 0 10px; }
.kicker {
  font: 600 clamp(13px, 1.1vw, 15px)/1.3 var(--font); letter-spacing: .16em; text-transform: uppercase;
  margin: 0 0 14px; color: var(--muted);
}
.lede { font-size: clamp(17px, 1.7vw, 21px); line-height: 1.6; color: var(--muted); margin: 18px 0 0; }
.lede strong { color: var(--ink); font-weight: 600; }
.fine { font-size: 13px; color: var(--muted); line-height: 1.6; }

/* ---------- 按钮 ---------- */

.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.center .actions, .actions.center { justify-content: center; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 26px; border-radius: 999px; cursor: pointer;
  font: 600 16px/1 var(--font); text-decoration: none !important;
  border: 1px solid transparent; transition: transform .15s ease, background-color .15s ease, opacity .15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--btn-bg); color: var(--btn-ink); }
.btn-ghost { background: transparent; color: var(--ink); border-color: color-mix(in srgb, var(--ink) 35%, transparent); }
.btn-teal { background: var(--teal); color: #04241f; }
.btn-cream { background: var(--cream); color: #171a2e; }
.btn[aria-disabled="true"] { opacity: .45; pointer-events: none; }
.btn-sm { min-height: 34px; padding: 0 16px; font-size: 13px; }

/* SpaceX 式方框按钮：大写、宽字距、带箭头，悬停反白 */
.box-btn {
  display: inline-flex; align-items: center; gap: 14px; padding: 17px 26px;
  border: 2px solid rgba(255, 255, 255, .9); color: #fff; background: rgba(0, 0, 0, .18);
  font: 700 14px/1 var(--font-display); letter-spacing: .16em; text-transform: uppercase;
  text-decoration: none !important; transition: background .25s, color .25s;
}
html:not([data-lang="en"]) .box-btn { font-family: var(--font); font-size: 15px; letter-spacing: .14em; }
.box-btn svg { width: 18px; height: 18px; transition: transform .25s; }
.box-btn:hover { background: #fff; color: #000; }
.box-btn:hover svg { transform: translateX(4px); }
.box-btn.dark-ink { border-color: var(--ink); color: var(--ink); background: transparent; }
.box-btn.dark-ink:hover { background: var(--ink); color: var(--bg); }
.link-more { font-weight: 600; font-size: 17px; }
.link-more::after { content: " ›"; }

/* ---------- 顶部导航：叠在首屏上，往下滚变成实心黑底 ---------- */

.gnav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 80; color: #fff;
  background: linear-gradient(180deg, rgba(0, 0, 0, .6) 0%, rgba(0, 0, 0, 0) 100%);
  transition: background-color .3s ease, box-shadow .3s ease;
}
.gnav.solid {
  background: rgba(0, 0, 0, .9);
  -webkit-backdrop-filter: saturate(160%) blur(18px); backdrop-filter: saturate(160%) blur(18px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .08);
}
.gnav-in {
  max-width: 1680px; margin: 0 auto; padding: 0 var(--edge); height: 84px;
  display: flex; align-items: center; gap: clamp(28px, 3.4vw, 64px);
}
.brand { display: inline-flex; align-items: center; color: #fff; flex: 0 0 auto; }
.brand svg { height: 21px; width: auto; }
.gnav-links { display: flex; gap: clamp(20px, 2.5vw, 44px); list-style: none; margin: 0; padding: 0; }
.gnav-links a {
  position: relative; display: block; padding: 10px 0; color: #fff; text-decoration: none !important;
  font: 700 17px/1 var(--font-display); letter-spacing: .1em; text-transform: uppercase; opacity: .95;
}
html:not([data-lang="en"]) .gnav-links a { font: 600 17px/1 var(--font); letter-spacing: .16em; }
.gnav-links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 2px; background: currentColor;
  transform: scaleX(0); transform-origin: left; transition: transform .25s ease;
}
.gnav-links a:hover::after, .gnav-links a[aria-current="page"]::after { transform: scaleX(1); }
.gnav-right { margin-left: auto; display: flex; align-items: center; gap: 20px; }

/* 下载下拉（像 SpaceX 右上角的方框） */
.dl-menu { position: relative; }
.dl-menu summary {
  list-style: none; cursor: pointer; display: flex; align-items: center; gap: 12px;
  border: 1px solid rgba(255, 255, 255, .55); padding: 11px 16px; min-width: 150px; justify-content: space-between;
  font: 600 13px/1 var(--font); letter-spacing: .14em; text-transform: uppercase;
}
.dl-menu summary::-webkit-details-marker { display: none; }
.dl-menu summary svg { width: 14px; height: 14px; transition: transform .2s; }
.dl-menu[open] summary svg { transform: rotate(180deg); }
.dl-menu ul {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 260px; margin: 0; padding: 8px 0; list-style: none;
  background: rgba(12, 12, 14, .97); border: 1px solid rgba(255, 255, 255, .12);
}
.dl-menu li a { display: block; padding: 12px 18px; color: #fff; font-size: 15px; text-decoration: none; }
.dl-menu li a span.sub { display: block; font-size: 12px; color: #9a9aa0; margin-top: 2px; }
.dl-menu li a:hover { background: rgba(255, 255, 255, .07); }
.lang-btn {
  display: inline-flex; align-items: center; gap: 7px; background: none; border: 0; padding: 8px 2px; cursor: pointer;
  color: inherit; font: 600 14px/1 var(--font); letter-spacing: .06em;
}
.lang-btn svg { width: 18px; height: 18px; }
.menu-btn { display: none; background: none; border: 0; color: #fff; padding: 8px; cursor: pointer; }
.menu-btn svg { width: 28px; height: 28px; }

/* 手机：全屏菜单 */
.mnav {
  position: fixed; inset: 0; z-index: 90; background: #000; color: #fff; display: none; flex-direction: column;
  padding: 24px var(--edge) 40px; overflow-y: auto;
}
.mnav.open { display: flex; }
.mnav-head { display: flex; align-items: center; justify-content: space-between; height: 48px; }
.mnav-head .brand svg { height: 18px; }
.mnav ul { list-style: none; margin: 36px 0 0; padding: 0; }
.mnav li a {
  display: block; padding: 16px 0; color: #fff; border-bottom: 1px solid rgba(255, 255, 255, .1);
  font: 700 28px/1.1 var(--font-display); letter-spacing: .06em; text-transform: uppercase; text-decoration: none;
}
html:not([data-lang="en"]) .mnav li a { font: 600 24px/1.2 var(--font); letter-spacing: .12em; }
.mnav .mnav-dl { margin-top: 28px; display: grid; gap: 10px; }
.mnav .mnav-dl a { color: #cfcfd4; font-size: 15px; }
.mnav .lang-btn { margin-top: auto; padding-top: 28px; color: #fff; }

@media (max-width: 1080px) {
  .gnav-links, .dl-menu { display: none; }
  .menu-btn { display: inline-flex; }
  .gnav-in { height: 68px; }
  .brand svg { height: 18px; }
}

/* 产品子导航（滚过首屏后吸顶） */
.pnav {
  position: sticky; top: 0; z-index: 70; color: var(--ink);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}
.pnav-in { max-width: 1680px; margin: 0 auto; padding: 0 var(--edge); height: 60px; display: flex; align-items: center; gap: 24px; }
.pnav-name { font-size: 20px; font-weight: 700; color: var(--ink); display: inline-flex; align-items: center; gap: 10px; white-space: nowrap; text-decoration: none !important; }
.pnav-name img { width: 28px; height: 28px; border-radius: 8px; }
.pnav-links { display: flex; gap: 28px; margin: 0 0 0 auto; padding: 0; list-style: none; }
.pnav-links a { color: var(--muted); font: 600 14px/1 var(--font); letter-spacing: .1em; text-transform: uppercase; text-decoration: none; }
.pnav-links a:hover { color: var(--ink); }
.product .gnav { position: absolute; }
@media (max-width: 760px) { .pnav-links li:not(:last-child) { display: none; } .pnav-in { height: 56px; } }

/* ---------- 区块 ---------- */

section { position: relative; }
.band { padding: clamp(84px, 11vw, 160px) 0; }
.band-tight { padding: clamp(56px, 7vw, 100px) 0; }
.alt { background: var(--bg-alt); }

/* 普通页的深色页头（导航叠在上面） */
.page-head { padding: clamp(150px, 20vh, 220px) 0 clamp(60px, 8vh, 100px); }

/* ---------- 首页：左右滑动的整屏轮播 ---------- */

.slider { position: relative; height: 100vh; height: 100svh; min-height: 560px; overflow: hidden; background: #000; color: #fff; touch-action: pan-y; }
.slides { display: flex; height: 100%; transition: transform .9s cubic-bezier(.7, 0, .2, 1); will-change: transform; }
.slider.dragging .slides { transition: none; }
.slide { position: relative; flex: 0 0 100%; height: 100%; overflow: hidden; }
.slide-media { position: absolute; inset: 0; }
.slide-media canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.slide-shade { position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(0deg, rgba(0, 0, 0, .82) 0%, rgba(0, 0, 0, .25) 42%, rgba(0, 0, 0, 0) 62%, rgba(0, 0, 0, .35) 100%); }
.slide-copy { position: absolute; z-index: 2; left: var(--edge); right: var(--edge); bottom: clamp(110px, 17vh, 170px); max-width: 860px; }
.slide-kicker { font: 600 clamp(14px, 1.3vw, 18px)/1.3 var(--font); letter-spacing: .16em; text-transform: uppercase; margin: 0 0 10px; opacity: .9; }
.slide-title {
  font: 700 clamp(46px, 7vw, 108px)/.98 var(--font-display); margin: 0 0 18px; letter-spacing: .005em;
}
html[data-lang="en"] .slide-title { text-transform: uppercase; }
html:not([data-lang="en"]) .slide-title { font-family: var(--font); font-weight: 800; letter-spacing: .02em; line-height: 1.08; }
.slide-sub { font-size: clamp(16px, 1.5vw, 20px); line-height: 1.55; margin: 0 0 30px; max-width: 640px; color: rgba(255, 255, 255, .84); }
.slide .slide-copy > * { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s cubic-bezier(.2, .7, .2, 1); }
.slide.is-active .slide-copy > * { opacity: 1; transform: none; }
.slide.is-active .slide-copy > *:nth-child(2) { transition-delay: .12s; }
.slide.is-active .slide-copy > *:nth-child(3) { transition-delay: .24s; }
.slide.is-active .slide-copy > *:nth-child(4) { transition-delay: .36s; }

.slider-ctl {
  position: absolute; z-index: 5; left: var(--edge); right: var(--edge); bottom: clamp(30px, 5vh, 52px);
  display: flex; align-items: center; gap: 18px;
}
.slider-count { font: 600 14px/1 var(--font); letter-spacing: .12em; min-width: 64px; }
.slider-bars { display: flex; gap: 8px; flex: 1; max-width: 420px; }
.slider-bars button { flex: 1; height: 22px; border: 0; padding: 10px 0; background: none; cursor: pointer; }
.slider-bars button i { display: block; height: 2px; background: rgba(255, 255, 255, .3); position: relative; overflow: hidden; }
.slider-bars button i::after { content: ""; position: absolute; inset: 0; background: #fff; transform: scaleX(0); transform-origin: left; }
.slider-bars button.done i::after { transform: scaleX(1); }
.slider-bars button.on i::after { animation: barfill var(--dur, 8s) linear forwards; }
.slider.paused .slider-bars button.on i::after { animation-play-state: paused; }
@keyframes barfill { to { transform: scaleX(1); } }
.slider-arrows { margin-left: auto; display: flex; gap: 10px; }
.slider-arrows button {
  width: 50px; height: 50px; border: 1px solid rgba(255, 255, 255, .5); background: rgba(0, 0, 0, .25); color: #fff;
  display: grid; place-items: center; cursor: pointer; transition: background .2s, color .2s;
}
.slider-arrows button:hover { background: #fff; color: #000; }
.slider-arrows svg { width: 20px; height: 20px; }
@media (max-width: 640px) { .slider-arrows { display: none; } .slider-bars { max-width: none; } }

/* 轮播里的画面 */
.bg-phonolite { background: radial-gradient(120% 80% at 70% 100%, #0b3d36 0%, #031210 55%, #000 100%); }
.bg-phonolite.hue { animation: hue 18s ease-in-out infinite alternate; }
@keyframes hue { 0% { filter: hue-rotate(-12deg); } 100% { filter: hue-rotate(28deg); } }
.bg-lyrune { background: linear-gradient(180deg, #070914 0%, #12173a 55%, #232a58 100%); }
.bg-game { background: #0b0906; }
.kb { position: absolute; inset: 0; overflow: hidden; }
.kb img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); }
.slide.is-active .kb img, .kb.run img { animation: kenburns 22s ease-out forwards; }
@keyframes kenburns { from { transform: scale(1.02) translate(0, 0); } to { transform: scale(1.14) translate(-2%, -1.5%); } }

/* 响岩轮播页右侧：正在出字的字幕窗 */
.ticker {
  position: absolute; z-index: 2; right: var(--edge); top: 50%; transform: translateY(-58%);
  width: min(480px, 40vw); padding: 18px 20px; border-radius: 16px;
  background: rgba(10, 18, 17, .66); border: 1px solid rgba(79, 209, 184, .22);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); font-size: 15px; color: #eaeaea;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .8);
}
.ticker-head { display: flex; align-items: center; gap: 10px; font-size: 12px; color: #9aa8a5; margin-bottom: 10px; letter-spacing: .06em; }
.rec-dot { width: 8px; height: 8px; border-radius: 50%; background: #ff5a5a; animation: blink 1.2s steps(2) infinite; }
@keyframes blink { 50% { opacity: .2; } }
.tline { padding: 9px 0; border-top: 1px solid rgba(255, 255, 255, .07); min-height: 52px; }
.tline:first-of-type { border-top: 0; }
.tline .src { display: block; }
.tline .tr { display: block; color: #7fdcc8; font-size: 13.5px; margin-top: 3px; min-height: 1.4em; }
.tline mark { background: rgba(34, 180, 155, .3); color: #fff; border-radius: 4px; padding: 0 3px; transition: background .4s; }
.tline mark.was { background: rgba(255, 140, 90, .28); }
.caret { display: inline-block; width: 2px; height: 1.05em; background: #4fd1b8; vertical-align: -2px; margin-left: 2px; animation: blink 1s steps(2) infinite; }
@media (max-width: 900px) { .ticker { display: none; } }

/* 月晤：七根声柱拼成的月亮（会“呼吸”）+ 角色 */
.moon {
  --d: clamp(200px, 30vw, 420px);
  position: relative; width: var(--d); height: var(--d);
  display: flex; align-items: center; justify-content: space-between; padding: 0 calc(var(--d) * .02);
}
.moon::before { content: ""; position: absolute; inset: -30%; z-index: -1; border-radius: 50%; background: radial-gradient(closest-side, rgba(243, 227, 181, .24), transparent 70%); animation: glow 5s ease-in-out infinite alternate; }
@keyframes glow { from { opacity: .6; transform: scale(.94); } to { opacity: 1; transform: scale(1.04); } }
.moon span {
  width: calc(var(--d) * .088); height: calc(var(--d) * var(--k)); border-radius: 999px; background: rgba(243, 227, 181, .14);
  animation: sway var(--sd, 3.2s) ease-in-out var(--sl, 0s) infinite alternate; transform-origin: center;
}
.moon span.lit { background: var(--cream); box-shadow: 0 0 calc(var(--d) * .06) rgba(243, 227, 181, .38); }
.moon span.half { background: linear-gradient(90deg, var(--cream) 0 50%, rgba(243, 227, 181, .14) 50% 100%); }
@keyframes sway { from { transform: scaleY(.86); } to { transform: scaleY(1.04); } }
.moon span:nth-child(1) { --sd: 2.6s; --sl: -.4s; } .moon span:nth-child(2) { --sd: 3.1s; --sl: -1.2s; }
.moon span:nth-child(3) { --sd: 2.8s; --sl: -.8s; } .moon span:nth-child(4) { --sd: 3.4s; --sl: -2s; }
.moon span:nth-child(5) { --sd: 2.7s; --sl: -1.6s; } .moon span:nth-child(6) { --sd: 3.2s; --sl: -.2s; }
.moon span:nth-child(7) { --sd: 2.9s; --sl: -2.4s; }
.lyrune-stage { position: absolute; inset: 0; z-index: 1; display: flex; align-items: flex-end; justify-content: flex-end; padding-right: clamp(0px, 7vw, 150px); }
.fig-wrap { position: relative; height: 96%; aspect-ratio: 1024 / 1536; }
.fig-wrap .moon { position: absolute; left: 50%; top: 3%; transform: translateX(-50%); --d: min(40vh, 400px); }
.fig-wrap .figure { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; object-position: bottom; filter: drop-shadow(0 30px 60px rgba(0, 0, 0, .55)); animation: floaty 7s ease-in-out infinite alternate; }
@keyframes floaty { from { transform: translateY(0); } to { transform: translateY(-14px); } }
@media (max-width: 900px) {
  .lyrune-stage { justify-content: center; align-items: flex-start; padding: 15vh 0 0; }
  .fig-wrap { height: auto; aspect-ratio: auto; }
  .fig-wrap .figure { display: none; }
  .fig-wrap .moon { position: relative; left: auto; top: auto; transform: none; --d: min(58vw, 34vh); }
}

/* ---------- 整屏技术介绍（像华为手表页的动态短片） ---------- */

.chapter { background: #000; color: #fff; overflow: hidden; }
.chapter-copy { max-width: 980px; margin: 0 auto; padding: clamp(90px, 12vw, 160px) var(--edge) clamp(36px, 5vw, 60px); text-align: center; }
.chapter-copy p { color: rgba(255, 255, 255, .72); font-size: clamp(17px, 1.7vw, 21px); line-height: 1.6; margin: 0 auto; max-width: 820px; }
.stage {
  position: relative; max-width: 1400px; margin: 0 auto; aspect-ratio: 16 / 7; border-radius: 26px; overflow: hidden;
  background: #050607; isolation: isolate;
}
.stage.full { max-width: none; border-radius: 0; aspect-ratio: 16 / 6.4; }
.stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.stage .stage-label { position: absolute; z-index: 2; left: 28px; bottom: 22px; font: 600 12px/1 var(--font); letter-spacing: .18em; text-transform: uppercase; color: rgba(255, 255, 255, .6); }
.stage .stage-overlay { position: absolute; z-index: 2; inset: 0; display: flex; align-items: center; justify-content: center; pointer-events: none; }
@media (max-width: 760px) { .stage, .stage.full { aspect-ratio: 4 / 3.4; border-radius: 0; } }

.nums { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; max-width: 1180px; margin: 0 auto; padding: clamp(40px, 6vw, 80px) var(--edge) clamp(80px, 10vw, 140px); }
.nums > div { padding: 0 24px; border-left: 1px solid rgba(255, 255, 255, .14); }
.nums > div:first-child { border-left: 0; }
.nums .pre { font-size: 14px; color: rgba(255, 255, 255, .6); }
.nums b { display: block; font: 700 clamp(52px, 6.6vw, 92px)/1 var(--font-display); letter-spacing: -.01em; color: var(--acc, #7ee8d3); }
.nums b small { font-size: .36em; margin-left: 6px; font-weight: 600; }
.nums .k { display: block; margin-top: 10px; font-size: 15px; color: rgba(255, 255, 255, .78); }
@media (max-width: 760px) {
  .nums { grid-template-columns: 1fr; gap: 28px; }
  .nums > div { border-left: 0; border-top: 1px solid rgba(255, 255, 255, .14); padding: 22px 0 0; }
  .nums > div:first-child { border-top: 0; padding-top: 0; }
}

/* ---------- 华为式大卡片轮播 ---------- */

.bc { position: relative; --acc-a: #7ee8d3; --acc-b: #22b49b; }
.bc-track {
  display: flex; gap: clamp(14px, 1.6vw, 24px); overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
  padding: 6px max(var(--edge), calc((100vw - 1240px) / 2)); scroll-padding: 0 max(var(--edge), calc((100vw - 1240px) / 2));
}
.bc-track::-webkit-scrollbar { display: none; }
.bc-card {
  position: relative; flex: 0 0 min(1240px, calc(100vw - 2 * var(--edge))); aspect-ratio: 16 / 8.6;
  border-radius: 30px; overflow: hidden; scroll-snap-align: start; background: #111; color: #fff; isolation: isolate;
}
.bc-card > img.bg, .bc-card > .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.bc-card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(0, 0, 0, .55) 0%, rgba(0, 0, 0, 0) 45%); pointer-events: none; }
.bc-card.no-shade::after { display: none; }
.bc-text { position: absolute; left: clamp(24px, 4vw, 60px); top: clamp(24px, 4vw, 54px); max-width: min(620px, 80%); z-index: 2; }
.bc-text h3 { font-size: clamp(24px, 2.9vw, 42px); line-height: 1.2; font-weight: 700; margin: 0; letter-spacing: .005em; }
.bc-text p { font-size: clamp(15px, 1.35vw, 18px); line-height: 1.6; margin: 12px 0 0; color: rgba(255, 255, 255, .82); max-width: 520px; }
.bc-visual { position: absolute; z-index: 1; }
.bc-note { position: absolute; right: 24px; bottom: 18px; z-index: 2; font-size: 12px; color: rgba(255, 255, 255, .6); }
.bc-ctl { display: flex; justify-content: center; margin-top: 30px; }
.bc-pill {
  display: inline-flex; align-items: center; gap: 16px; padding: 10px 14px; border-radius: 999px;
  background: linear-gradient(90deg, var(--acc-a), var(--acc-b)); color: #0b0b0b;
}
.bc-pill button { border: 0; background: none; color: inherit; cursor: pointer; display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; }
.bc-pill button:hover { background: rgba(0, 0, 0, .1); }
.bc-pill svg { width: 20px; height: 20px; }
.bc-dots { display: flex; gap: 9px; }
.bc-dots i { width: 8px; height: 8px; border-radius: 50%; background: rgba(0, 0, 0, .28); transition: background .2s, transform .2s; }
.bc-dots i.on { background: #0b0b0b; transform: scale(1.15); }
@media (max-width: 760px) {
  .bc-card { aspect-ratio: 4 / 5.2; border-radius: 24px; }
  .bc-text { right: 22px; max-width: none; }
}

/* ---------- 月晤主题切换（像华为的配色选择） ---------- */

.themes-stage { position: relative; max-width: 1240px; margin: 0 auto; aspect-ratio: 16 / 8.6; border-radius: 30px; overflow: hidden; background: #000; }
.theme-panel { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .7s ease, visibility .7s; color: #fff; }
.theme-panel.on { opacity: 1; visibility: visible; }
.theme-panel .scene { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(.62) saturate(1.05); transform: scale(1.06); transition: transform 8s ease; }
.theme-panel.on .scene { transform: scale(1); }
.theme-panel .fig { position: absolute; right: 8%; bottom: 0; height: 100%; width: auto; filter: drop-shadow(0 30px 50px rgba(0, 0, 0, .55)); transform: translateY(18px); transition: transform 1s ease; }
.theme-panel.on .fig { transform: none; }
.theme-panel .info { position: absolute; left: clamp(24px, 4.5vw, 70px); top: 50%; transform: translateY(-50%); max-width: 440px; }
.theme-panel .info h3 { font: 700 clamp(40px, 5vw, 72px)/1 var(--font-display); margin: 0 0 14px; }
.theme-panel .info p { margin: 0; color: rgba(255, 255, 255, .85); font-size: clamp(15px, 1.4vw, 18px); line-height: 1.65; }
.theme-panel .swatches { display: flex; gap: 8px; margin-top: 20px; }
.theme-panel .swatches i { width: 26px; height: 26px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .5); }
.theme-simple { position: absolute; inset: 0; background: linear-gradient(49deg, #42ffff, #f9ccff); }
.theme-simple .cards { position: absolute; right: 8%; top: 50%; transform: translateY(-50%); display: grid; gap: 14px; width: min(360px, 36%); }
.theme-simple .cards div { border-radius: 22px; padding: 20px; color: #1b1b22; font-weight: 600; box-shadow: 0 20px 40px -20px rgba(0, 0, 0, .25); }
.theme-tabs { display: flex; justify-content: center; margin-top: 28px; }
.theme-tabs .pill { display: inline-flex; gap: 6px; padding: 8px; border-radius: 999px; background: linear-gradient(90deg, #f3e3b5, #c9b37a); }
.theme-tabs button {
  border: 0; cursor: pointer; border-radius: 999px; padding: 10px 18px; background: transparent; color: #2a2414;
  font: 700 15px/1 var(--font); display: inline-flex; align-items: center; gap: 8px;
}
.theme-tabs button i { width: 16px; height: 16px; border-radius: 50%; border: 2px solid rgba(0, 0, 0, .25); }
.theme-tabs button[aria-selected="true"] { background: #1b1b22; color: #fff; }
@media (max-width: 760px) {
  .themes-stage { aspect-ratio: 4 / 5.4; border-radius: 24px; margin: 0 var(--edge); }
  .theme-panel .fig { right: -10%; height: 78%; }
  .theme-panel .info { top: 28px; transform: none; left: 22px; right: 22px; }
  .theme-simple .cards { right: 22px; left: 22px; width: auto; top: auto; bottom: 28px; transform: none; }
  .theme-tabs .pill { flex-wrap: wrap; justify-content: center; border-radius: 22px; }
}

/* ---------- 产品 / 游戏入口卡片 ---------- */

.tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 960px) { .tiles { grid-template-columns: 1fr; } }
.tile {
  position: relative; display: block; min-height: 420px; border-radius: 26px; overflow: hidden; color: #fff; isolation: isolate;
  text-decoration: none !important; background: #111;
}
.tile .bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 1.2s ease; }
.tile:hover .bg { transform: scale(1.05); }
.tile::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(0, 0, 0, .78) 0%, rgba(0, 0, 0, 0) 60%); }
.tile .t { position: absolute; left: 26px; right: 26px; bottom: 26px; }
.tile .t small { display: block; font: 600 12px/1 var(--font); letter-spacing: .16em; text-transform: uppercase; color: rgba(255, 255, 255, .7); margin-bottom: 10px; }
.tile .t b { display: block; font-size: 30px; line-height: 1.15; }
.tile .t span { display: block; margin-top: 8px; color: rgba(255, 255, 255, .8); font-size: 15px; }
.tile .tag { position: absolute; left: 22px; top: 22px; font: 600 12px/1 var(--font); letter-spacing: .1em; padding: 7px 11px; border-radius: 999px; background: rgba(0, 0, 0, .45); border: 1px solid rgba(255, 255, 255, .25); }

/* ---------- 截图窗口、示意 ---------- */

.window {
  border-radius: 14px; overflow: hidden; background: var(--card);
  box-shadow: 0 40px 100px -30px rgba(0, 0, 0, .6), 0 0 0 1px color-mix(in srgb, var(--ink) 10%, transparent);
}
.window-bar { height: 30px; display: flex; align-items: center; justify-content: flex-end; padding: 0 14px; color: var(--muted); background: color-mix(in srgb, var(--card) 88%, var(--ink)); }
.window-bar svg { width: 66px; height: 12px; }
.window img { width: 100%; height: auto; }

.mock {
  background: #141414; color: #f2f2f2; border-radius: 20px; padding: 20px 22px 22px; font-size: 15px;
  box-shadow: 0 30px 80px -30px rgba(0, 0, 0, .6); border: 1px solid rgba(255, 255, 255, .06);
}
.mock-head { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #a8a8a8; margin-bottom: 12px; }
.mock-chip { margin-left: auto; padding: 4px 10px; border-radius: 999px; background: rgba(255, 255, 255, .08); }
.who { display: inline-block; font-size: 11px; color: #a8a8a8; border: 1px solid rgba(255, 255, 255, .15); border-radius: 6px; padding: 0 5px; margin-right: 6px; vertical-align: 1px; }

.fix { background: #fff; color: #1d1d1f; border-radius: 20px; padding: 22px; box-shadow: 0 30px 80px -40px rgba(0, 0, 0, .5); }
.fix .sent { font-size: 17px; line-height: 1.7; margin: 0 0 16px; }
.fix mark { background: rgba(34, 180, 155, .2); color: inherit; padding: 1px 4px; border-radius: 5px; border-bottom: 2px solid var(--teal); }
.fix-card { border-radius: 14px; background: #f3f4f4; padding: 16px; }
.fix-card .h { font-size: 13px; font-weight: 600; color: #6e6e73; margin-bottom: 8px; }
.fix-card .was { font-size: 15px; margin-bottom: 12px; }
.fix-card .was s { color: #8a8a8e; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 14px; padding: 7px 13px; border-radius: 999px; background: #fff; border: 1px solid #d2d2d7; color: #1d1d1f; white-space: nowrap; }
.chip.on { background: #1d1d1f; color: #fff; border-color: transparent; }
.chip.dash { border-style: dashed; color: #6e6e73; }

.domains { display: flex; flex-wrap: wrap; gap: 8px; }
.domains span { font-size: 14px; padding: 7px 13px; border-radius: 999px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .16); color: #fff; }
.domains span b { font-weight: 600; margin-right: 6px; }
.domains span i { font-style: normal; color: rgba(255, 255, 255, .6); font-size: 12px; }

/* ---------- 一元店（首页与关于） ---------- */

.dollar { background: #f6f1e4; color: #1b1a17; }
@media (prefers-color-scheme: dark) { .dollar { background: #14120d; color: #f4eedd; } }
.dollar .big {
  font: 700 clamp(44px, 8vw, 128px)/.98 var(--font-display); margin: 0; letter-spacing: .005em;
}
.dollar .big em { font-style: normal; color: #b8860b; }
@media (prefers-color-scheme: dark) { .dollar .big em { color: #e2b34a; } }
.dollar .lede { color: inherit; opacity: .78; max-width: 820px; }
.dollar-bars { display: grid; gap: 18px; margin-top: 56px; max-width: 900px; }
.dollar-bars .row { display: grid; grid-template-columns: 160px 1fr 120px; gap: 16px; align-items: center; font-size: 15px; }
.dollar-bars .track { height: 14px; border-radius: 999px; background: color-mix(in srgb, currentColor 12%, transparent); overflow: hidden; }
.dollar-bars .fill { height: 100%; width: var(--w); border-radius: inherit; background: var(--c, #b8860b); transform-origin: left; }
.js .dollar-bars .fill { transform: scaleX(0); transition: transform 1.4s cubic-bezier(.2, .7, .2, 1); }
.js .dollar-bars.in .fill { transform: scaleX(1); }
.dollar-bars .val { font-weight: 700; text-align: right; }
@media (max-width: 640px) { .dollar-bars .row { grid-template-columns: 1fr 70px; } .dollar-bars .row .track { grid-column: 1 / -1; grid-row: 2; } }

/* ---------- 统计卡片、隐私、规格、下载 ---------- */

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 56px; }
@media (max-width: 820px) { .stats { grid-template-columns: 1fr; } }
.stat { background: var(--card); border-radius: var(--radius-lg); padding: 34px 30px 30px; border: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
.stat b { display: block; font: 700 clamp(54px, 7vw, 88px)/1 var(--font-display); letter-spacing: -.01em; }
.stat b small { font-size: .32em; font-weight: 600; letter-spacing: 0; margin-left: 6px; }
.stat .k { display: block; font-size: 17px; font-weight: 600; margin-top: 14px; }
.stat p { margin: 6px 0 0; color: var(--muted); font-size: 15px; }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 60px; text-align: left; }
@media (max-width: 820px) { .pillars { grid-template-columns: 1fr; gap: 30px; } }
.pillars h3 { font-size: 22px; margin: 14px 0 8px; }
.pillars p { margin: 0; color: var(--muted); }
.pillars svg { width: 34px; height: 34px; color: var(--teal-ink); }
.note-box { margin-top: 54px; padding: 22px 26px; border-radius: var(--radius); background: var(--bg-alt); text-align: left; color: var(--ink-2); font-size: 16px; }
.note-box b { color: var(--ink); }

.specs { margin-top: 40px; border-top: 1px solid var(--line); }
.specs > div { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.specs dt { font-weight: 600; font-size: 17px; }
.specs dd { margin: 0; color: var(--ink-2); }
@media (max-width: 720px) { .specs > div { grid-template-columns: 1fr; gap: 6px; } }

.downloads { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 18px; margin-top: 44px; }
.dl { background: var(--card); border-radius: var(--radius-lg); padding: 30px; display: flex; flex-direction: column; border: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
.dl.featured { border: 2px solid var(--teal); }
.dl .tag { align-self: flex-start; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: color-mix(in srgb, var(--teal) 16%, transparent); color: var(--teal-ink); margin-bottom: 14px; }
.dl h3 { font-size: 26px; margin: 0 0 6px; }
.dl .size { font-size: 15px; color: var(--muted); margin: 0 0 16px; }
.dl ul { margin: 0 0 22px; padding-left: 1.1em; color: var(--ink-2); font-size: 15px; }
.dl ul li { margin: 5px 0; }
.dl .btn { margin-top: auto; }
.dl .meta { margin: 14px 0 0; font-size: 12px; color: var(--muted); }
.dl table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 0 0 22px; }
.dl td { padding: 7px 0; vertical-align: top; border-top: 1px solid color-mix(in srgb, var(--line) 60%, transparent); }
.dl td:first-child { color: var(--muted); width: 7.5em; padding-right: 10px; }

.steps { counter-reset: s; list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 14px; }
.steps li { counter-increment: s; position: relative; padding-left: 46px; color: var(--ink-2); }
.steps li::before {
  content: counter(s); position: absolute; left: 0; top: -2px; width: 30px; height: 30px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700; font-size: 14px; background: var(--btn-bg); color: var(--btn-ink);
}

.split { display: grid; grid-template-columns: 1fr 1.1fr; gap: clamp(32px, 6vw, 90px); align-items: center; }
.split.top { align-items: start; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

.credits { columns: 2 280px; column-gap: 40px; margin: 26px 0 0; padding: 0; list-style: none; font-size: 14px; color: var(--muted); }
.credits li { break-inside: avoid; padding: 6px 0; border-top: 1px solid color-mix(in srgb, var(--line) 60%, transparent); }
.credits b { color: var(--ink); font-weight: 600; }

.footnotes { margin: 0; padding: 0 0 0 1.4em; font-size: 12.5px; color: var(--muted); line-height: 1.7; }
.footnotes li { margin: 4px 0; }

/* ---------- 探索（路线图）与伙伴 ---------- */

.roadmap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 48px; }
@media (max-width: 960px) { .roadmap { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .roadmap { grid-template-columns: 1fr; } }
.rm {
  position: relative; border-radius: 26px; padding: 30px 28px 30px; min-height: 300px; display: flex; flex-direction: column;
  background: var(--card); border: 1px solid color-mix(in srgb, var(--line) 70%, transparent); overflow: hidden; isolation: isolate;
}
.rm.wide { grid-column: span 2; }
@media (max-width: 640px) { .rm.wide { grid-column: auto; } }
.rm .status { align-self: flex-start; font: 600 12px/1 var(--font); letter-spacing: .1em; text-transform: uppercase; padding: 7px 11px; border-radius: 999px; border: 1px solid currentColor; opacity: .85; margin-bottom: 22px; }
.rm h3 { font-size: 26px; line-height: 1.2; margin: 0 0 10px; }
.rm p { margin: 0; color: var(--muted); font-size: 16px; }
.rm .glow { position: absolute; z-index: -1; width: 340px; height: 340px; right: -110px; bottom: -150px; border-radius: 50%; filter: blur(30px); opacity: .5; background: var(--g, #22b49b); }
.rm.dark-card { background: #0d0d10; color: #fff; border-color: transparent; }
.rm.dark-card p { color: rgba(255, 255, 255, .72); }

.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 48px; }
@media (max-width: 900px) { .partner-grid { grid-template-columns: 1fr; } }
.partner-grid > div { background: var(--bg); padding: 34px 30px; }
.partner-grid h3 { font-size: 22px; margin: 16px 0 8px; }
.partner-grid p { margin: 0; color: var(--muted); font-size: 16px; }
.partner-grid svg { width: 34px; height: 34px; color: var(--teal-ink); }

/* 普通文字页 */
.prose { max-width: calc(780px + 2 * var(--edge)); margin: 0 auto; padding: 0 var(--edge); }
.prose h2 { font-size: 26px; margin: 48px 0 12px; }
.prose p, .prose li { color: var(--ink-2); }
.prose ul { padding-left: 1.2em; }
.prose li { margin: 8px 0; }

/* ---------- 页脚 ---------- */

.footer { background: #000; color: #8e8e93; font-size: 13px; padding: 56px 0 36px; }
.footer-cols { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 28px; padding-bottom: 32px; border-bottom: 1px solid #222; }
@media (max-width: 900px) { .footer-cols { grid-template-columns: 1fr 1fr; } .footer-brand { grid-column: 1 / -1; } }
.footer-brand svg { height: 18px; width: auto; color: #fff; }
.footer-brand p { margin: 14px 0 0; max-width: 300px; line-height: 1.6; }
.footer h4 { color: #fff; font: 600 13px/1 var(--font); letter-spacing: .12em; text-transform: uppercase; margin: 0 0 14px; }
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin: 9px 0; }
.footer a { color: #8e8e93; }
.footer a:hover { color: #fff; text-decoration: none; }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; padding-top: 22px; }
.footer-bottom .lang-btn { color: #c7c7cc; font-size: 13px; }

/* ---------- 进场动画 ---------- */

.js .reveal { opacity: 0; transform: translateY(30px); transition: opacity .9s ease, transform .9s cubic-bezier(.2, .7, .2, 1); }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal.d1 { transition-delay: .1s; } .js .reveal.d2 { transition-delay: .2s; } .js .reveal.d3 { transition-delay: .3s; }

/* 本人在页脚点了“暂停动画”时（html.motion-off）：所有动画停住 */
html.motion-off { scroll-behavior: auto; }
html.motion-off *, html.motion-off *::before, html.motion-off *::after { animation: none !important; transition: none !important; }
html.motion-off.js .reveal, html.motion-off .slide .slide-copy > * { opacity: 1; transform: none; }
html.motion-off.js .dollar-bars .fill { transform: none; }
.motion-btn .m-off, html.motion-off .motion-btn .m-on { display: none; }
html.motion-off .motion-btn .m-off { display: inline; }

@media (max-width: 480px) {
  :root { --gutter: 16px; --edge: 18px; }
  body { font-size: 16px; }
  .btn { min-height: 46px; padding: 0 22px; }
  .box-btn { padding: 15px 20px; }
}

/* ---------- 产品页首屏（单屏，不轮播） ---------- */

.phero { position: relative; height: 100vh; height: 100svh; min-height: 640px; overflow: hidden; background: #000; color: #fff; }
.phero .slide-copy { bottom: clamp(56px, 11vh, 120px); }
.phero-copy { position: absolute; z-index: 2; left: 0; right: 0; top: clamp(112px, 17vh, 170px); text-align: center; padding: 0 var(--edge); }
.phero-copy .slide-title { margin-bottom: 14px; }
.phero-copy .slide-sub { margin: 0 auto; max-width: 780px; }
.phero-copy .actions { margin-top: 26px; }
.ticker.inline {
  right: auto; top: auto; left: 50%; bottom: clamp(32px, 6vh, 72px); transform: translateX(-50%);
  width: min(680px, calc(100% - 2 * var(--edge)));
}
.ticker-time { margin-left: auto; font-variant-numeric: tabular-nums; }
@media (max-width: 900px) { .ticker.inline { display: block; } }
@media (max-width: 640px) { .ticker.inline .tline:nth-last-child(n+3) { display: none; } .ticker.inline { font-size: 14px; } }

/* 大卡片里的角色立绘、大字 */
.bc-card > .bc-fig { position: absolute; z-index: 0; right: 5%; bottom: 0; height: 100%; width: auto; filter: drop-shadow(0 24px 40px rgba(0, 0, 0, .5)); }
.bc-card > .bc-text { z-index: 2; }
.big4b { right: 6%; bottom: 2%; font: 700 clamp(120px, 22vw, 320px)/.8 var(--font-display); color: transparent; -webkit-text-stroke: 2px rgba(243, 227, 181, .55); }
@media (max-width: 760px) { .bc-card > .bc-fig { height: 66%; right: -6%; } }

/* 《身后名》：答卷示意与本机 AI 要点 */
.paper {
  position: relative; background: #f3ead6; color: #2a2116; border-radius: 6px; padding: 28px 30px;
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .75); font-family: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", serif;
}
.paper-head { font: 600 13px/1 var(--font); letter-spacing: .14em; color: #8a6d45; margin-bottom: 14px; }
.paper-q { font-weight: 700; margin: 0 0 14px; line-height: 1.7; }
.paper-a { margin: 0; line-height: 1.9; font-size: 17px; }
.paper-a .hl { background: linear-gradient(transparent 58%, rgba(200, 85, 61, .32) 0); }
.paper .caret { background: #8a6d45; }
.paper-mark { display: flex; gap: 14px; align-items: center; margin-top: 18px; padding-top: 16px; border-top: 1px dashed rgba(42, 33, 22, .25); color: #8f2d1d; font: 14px/1.6 var(--font); }
.paper .seal {
  flex: 0 0 auto; width: 54px; height: 54px; border: 3px solid #c8553d; color: #c8553d; border-radius: 8px;
  display: grid; place-items: center; font: 700 28px/1 "KaiTi", "STKaiti", serif; transform: rotate(-8deg);
}
.js .paper .seal { opacity: 0; transform: rotate(-8deg) scale(1.7); transition: opacity .35s .8s, transform .45s .8s cubic-bezier(.3, 1.6, .5, 1); }
.js .paper.in .seal { opacity: 1; transform: rotate(-8deg) scale(1); }
.ai-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 28px; }
.ai-points li { display: grid; gap: 6px; padding-left: 18px; border-left: 2px solid #e9c27c; }
.ai-points b { font-size: 21px; color: #fff; }
.ai-points li > span { color: rgba(255, 255, 255, .72); }
.rm.dark-card::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, rgba(0, 0, 0, .86) 0%, rgba(0, 0, 0, .55) 55%, rgba(0, 0, 0, .25) 100%); }
.bc-card { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .06); }
@media (max-width: 760px) {
  .bc-card { aspect-ratio: auto; min-height: 540px; display: flex; flex-direction: column; justify-content: space-between; }
  .bc-card > .bc-text { position: relative; left: auto; top: auto; right: auto; padding: 26px 22px 0; max-width: none !important; }
  .bc-card > .bc-visual { position: relative !important; left: auto !important; right: auto !important; bottom: auto !important; margin: 20px 16px 16px; width: auto !important; }
  .bc-card > svg.bc-visual { max-height: 170px; align-self: flex-end; }
  .bc-card > .big4b { align-self: flex-end; margin: 0 18px 10px; }
}

/* 长标题（游戏名）的轮播 / 首屏字号小一档，手机上也能两行放下 */
.slide-title.long { font-size: clamp(34px, 5.6vw, 86px); }
html[data-lang="en"] .slide-title.long { font-size: clamp(42px, 6.6vw, 100px); }
.pnav-name { flex: 0 1 auto; min-width: 0; }
.pnav-name > span { display: block; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ---------- 实机录屏 ---------- */
.window video { width: 100%; height: auto; display: block; background: #111; }
.slide-video { position: absolute; z-index: 2; right: var(--edge); top: 50%; transform: translateY(-54%); width: min(820px, 47vw); }
.slide-video .window { box-shadow: 0 40px 120px -30px rgba(0, 0, 0, .9), 0 0 0 1px rgba(255, 255, 255, .08); }
@media (max-width: 900px) { .slide-video { display: none; } }
.real-tag {
  position: absolute; z-index: 3; left: 12px; top: 40px; padding: 6px 10px; border-radius: 999px;
  font: 600 11px/1 var(--font); letter-spacing: .14em; text-transform: uppercase;
  background: rgba(0, 0, 0, .62); color: #fff; border: 1px solid rgba(255, 255, 255, .2);
}
.real-tag::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #ff5a5a; margin-right: 7px; vertical-align: 0; animation: blink 1.2s steps(2) infinite; }
.phero-video { position: absolute; z-index: 2; left: 50%; bottom: clamp(24px, 4vh, 56px); transform: translateX(-50%); width: min(980px, calc(100% - 2 * var(--edge))); }
.phero-video .window { box-shadow: 0 50px 140px -40px rgba(0, 0, 0, .95), 0 0 0 1px rgba(255, 255, 255, .08); }
.phero-video .window video { max-height: 52vh; object-fit: cover; object-position: top; }
.video-stage { position: relative; max-width: 1240px; margin: 0 auto; padding: 0 var(--edge); }
.video-stage .window video { aspect-ratio: 16 / 10; object-fit: cover; }
.reel-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 14px; }
.reel-nav button {
  position: relative; overflow: hidden; border: 0; border-radius: 999px; padding: 10px 16px 11px; cursor: pointer;
  background: rgba(255, 255, 255, .09); color: rgba(255, 255, 255, .7); font: 600 13px/1 var(--font); letter-spacing: .02em;
}
.reel-nav button:hover { color: #fff; }
.reel-nav button.on { background: rgba(255, 255, 255, .16); color: #fff; }
.reel-nav button i { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: #4fd1b8; transform-origin: left; transform: scaleX(var(--p, 0)); }
.slide-video .reel-nav { justify-content: flex-end; }

/* 响岩首屏：文字在上、实机录屏在下（正常排版，不叠住按钮），录屏窗口底部出血 */
.phero.flow { height: auto; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; align-items: center; padding-top: clamp(104px, 15vh, 150px); }
.phero.flow .phero-copy { position: relative; top: auto; left: auto; right: auto; z-index: 2; }
.phero.flow .phero-video { position: relative; left: auto; bottom: auto; transform: none; margin: clamp(28px, 5vh, 52px) auto 0; z-index: 2; }
.phero.flow .phero-video .window video { max-height: none; }
.phero.flow .reel-nav { margin-bottom: clamp(28px, 5vh, 56px); }

/* 联系我们：三张大卡片 */
.contact-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 40px; text-align: left; }
@media (max-width: 900px) { .contact-cards { grid-template-columns: 1fr; } }
.cc {
  display: flex; flex-direction: column; gap: 12px; min-height: 300px; padding: clamp(26px, 3vw, 36px);
  border-radius: 26px; background: var(--card); color: var(--ink); text-decoration: none !important;
  border: 1px solid color-mix(in srgb, var(--line) 70%, transparent); transition: transform .25s ease, border-color .25s ease;
}
.cc:hover { transform: translateY(-4px); border-color: var(--teal); }
.cc-k { font: 600 12px/1 var(--font); letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.cc-t { font: 700 clamp(24px, 2.3vw, 32px)/1.2 var(--font); }
.cc-d { color: var(--muted); font-size: 15px; line-height: 1.65; }
.cc-mail { margin-top: auto; padding-top: 18px; display: inline-flex; align-items: center; gap: 10px; font: 600 16px/1.2 var(--font); color: var(--teal-ink); word-break: break-all; }
.cc-mail svg { flex: 0 0 auto; width: 18px; height: 18px; transition: transform .25s ease; }
.cc:hover .cc-mail svg { transform: translateX(4px); }
.cc-gold { background: linear-gradient(140deg, #f6e7b8 0%, #e2b064 100%); color: #2a2008; border-color: transparent; }
.cc-gold .cc-k, .cc-gold .cc-d { color: #5a4310; }
.cc-gold .cc-mail { color: #2a2008; }
.cc-gold:hover { border-color: transparent; }

/* 伙伴页：推广与广告 */
.ad-feature {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 28px;
  padding: clamp(28px, 4vw, 52px); border-radius: 28px; color: #2a2008;
  background: linear-gradient(120deg, #f6e7b8 0%, #e9c27c 55%, #d9a25c 100%);
}
.ad-feature > div { max-width: 720px; }
.ad-feature h2 { font: 700 clamp(32px, 4.4vw, 56px)/1.05 var(--font-display); margin: 0 0 14px; }
.ad-feature p { margin: 0; font-size: clamp(16px, 1.5vw, 19px); line-height: 1.65; color: #3d2f0c; }
.ad-feature .box-btn.dark-ink { border-color: #2a2008; color: #2a2008; text-transform: none; letter-spacing: .04em; }
.ad-feature .box-btn.dark-ink:hover { background: #2a2008; color: #f6e7b8; }

/* 居中的小标题：宽字距会在末尾多出一截空白，补回去才不显得歪 */
.center .kicker, .chapter-copy .kicker, .phero-copy .slide-kicker { padding-left: .16em; }

/* 游戏画面墙：九张，三列三行；窄屏改成横向滑动，免得一张张往下排太长 */
.gallery .tile { min-height: 300px; }
@media (max-width: 960px) {
  .tiles.gallery {
    grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: min(78%, 420px); gap: 14px;
    overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; scroll-padding-inline: var(--edge);
    scrollbar-width: none;
  }
  .tiles.gallery::-webkit-scrollbar { display: none; }
  .gallery .tile { min-height: 280px; scroll-snap-align: start; }
}