/* 悉尼独享 Mac mini 首页 · 方向 C（企鹅星球）整页
   节奏：深色首屏（企鹅站在点阵地球上）→ 暖白用途 / 价格 → 深色硬实力 → 暖白四步（光束串四张卡）→ 深色线路 → 暖白问答 / 机位 → 深色收尾。
   颜色：深海军蓝 + 暖白；品牌紫只做主按钮和焦点；金色只点价格和关键数字。动效只动 transform / opacity。 */
:root {
  --night: #0a0e1a; --night-2: #121930; --night-line: #ffffff1f; --night-ink: #f3f1ea; --night-muted: #a9afc2;
  --paper: #f6f4ef; --panel: #ffffff; --ink: #14151c; --muted: #575c6b; --line: #14151c1f;
  --accent: #5b46ef; --accent-hi: #7a69ff; --on-accent: #fff;
  --gold: #d6b598; --gold-ink: #8a6238; --ok: #54d38a;
  --l1: #7a69ff; --l2: #54d38a; --l3: #d6b598; --l4: #6fa8dc;
  --r: 14px;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --spring: linear(0, 0.36 8%, 0.82 18%, 1.08 28%, 1.14 34%, 1.08 44%, 0.99 58%, 0.985 68%, 1);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 72px; }
body { margin: 0; font: 16px/1.65 var(--sans); background: var(--night); color: var(--night-ink); overflow-wrap: anywhere; -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, p, dl, dd, ul, ol, figure { margin: 0; }
h1, h2, h3 { line-height: 1.18; text-wrap: balance; letter-spacing: -0.01em; }
:lang(en) h1, :lang(en) h2 { letter-spacing: -0.025em; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent-hi); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.wrap.narrow { max-width: 820px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; padding: 10px 14px; border-radius: 10px; background: #fff; color: var(--ink); font-weight: 700; }
.skip:focus { top: 8px; }

/* ---------- 顶栏 ---------- */
.top { position: fixed; inset: 0 0 auto 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 6px; height: 60px; padding: 0 10px 0 14px; color: var(--night-ink); }
.top::before { content: ""; position: absolute; inset: 0; z-index: -1; background: #0a0e1ae0; border-bottom: 1px solid var(--night-line);
  -webkit-backdrop-filter: saturate(160%) blur(14px); backdrop-filter: saturate(160%) blur(14px); opacity: 0; transition: opacity .3s ease; }
.top.is-solid::before { opacity: 1; }
.brand { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; font-weight: 800; font-size: 15px; text-decoration: none; white-space: nowrap; }
.brand small { display: none; font: 600 12px var(--mono); color: var(--night-muted); letter-spacing: .04em; }
.top nav { display: flex; align-items: center; gap: 4px; }
.nav-link { display: none; align-items: center; min-height: 44px; padding: 0 10px; text-decoration: none; font-size: 15px; color: var(--night-muted); transition: color .2s ease; }
.pill { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-width: 44px; min-height: 44px; padding: 0 10px; border: 1px solid var(--night-line); border-radius: 999px;
  background: transparent; color: var(--night-muted); font-size: 14px; font-weight: 600; text-decoration: none; cursor: pointer; white-space: nowrap; transition: color .2s ease, border-color .2s ease, transform .14s var(--ease-out); }
.pill:active { transform: scale(.95); }
.pill[aria-pressed="true"] { color: var(--gold); border-color: #d6b59877; }
.sfx .wave { opacity: 0; transition: opacity .2s ease; }
.sfx[aria-pressed="true"] .wave { opacity: 1; }
.sfx[aria-pressed="true"] .mute { opacity: 0; }
.top-cta { display: inline-flex; align-items: center; min-height: 44px; padding: 0 14px; border-radius: 999px; background: var(--accent); color: var(--on-accent); font-weight: 700; text-decoration: none; white-space: nowrap; transition: transform .14s var(--ease-out), background-color .2s ease; }
.top-cta:active { transform: scale(.96); }

/* ---------- 按钮、通用字 ---------- */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 0 24px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 700; font-size: 16px; text-decoration: none; text-align: center; cursor: pointer; transition: transform .14s var(--ease-out), background-color .2s ease, border-color .2s ease; }
.btn:active { transform: scale(.97); }
.btn.primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 10px 24px -14px #000000cc, inset 0 1px 0 #ffffff33; }
.btn.ghost { border-color: #ffffff3d; color: var(--night-ink); background: #ffffff0a; }
.light .btn.ghost { border-color: #14151c40; color: var(--ink); background: transparent; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.quiet { display: inline-flex; align-items: center; min-height: 44px; color: var(--night-muted); font-size: 15px; text-underline-offset: 4px; }
.light .quiet { color: var(--muted); }
.fine { font-size: 13px; line-height: 1.6; color: var(--night-muted); }
.light .fine { color: var(--muted); }
.sub { margin-top: 10px; color: var(--night-muted); max-width: 42em; }
.light .sub { color: var(--muted); }
section h2 { font-size: clamp(26px, 6.4vw, 42px); font-weight: 800; }
.block { padding: 64px 0; }
.light { background: var(--paper); color: var(--ink); }

/* ---------- 首屏：企鹅站在点阵地球上 ---------- */
.hero { position: relative; padding: 76px 0 36px; overflow: hidden; text-align: center; background: radial-gradient(70% 50% at 50% 78%, #1c2850 0%, #111833 45%, var(--night) 82%); }
.hero-col { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; }
.who { display: inline-flex; padding: 4px; border-radius: 999px; background: #ffffff0f; border: 1px solid var(--night-line); margin-bottom: 14px; }
.who a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 16px; border-radius: 999px; font-size: 14px; font-weight: 600; text-decoration: none; color: var(--night-muted); white-space: nowrap; }
.who a[aria-current] { background: #ffffff1c; color: var(--night-ink); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--night-muted); }
.eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px #54d38a2e; }
.hero h1 { font-size: clamp(25px, 8vw, 60px); font-weight: 800; margin: 12px 0 14px; }
:lang(en) .hero h1 { font-size: clamp(25px, 7.6vw, 58px); }
.lead { font-size: 17px; color: var(--night-muted); max-width: 34em; margin: 0 auto; }
.hero .cta-row { margin-top: 22px; justify-content: center; }
.hero .note { margin-top: 2px; }
.planet { --g: min(128vw, 560px); position: relative; height: calc(var(--g) * .7); margin-top: 66px; clip-path: inset(-260px -100vw 0 -100vw); }
.globe-box { position: absolute; left: 50%; top: 0; width: var(--g); height: var(--g); margin-left: calc(var(--g) / -2); }
.planet::after { content: ""; position: absolute; inset: auto 0 0 0; height: 34%; background: linear-gradient(transparent, var(--night)); pointer-events: none; z-index: 3; }
#globe { width: 100%; height: 100%; cursor: grab; touch-action: pan-y; opacity: 0; transition: opacity 1s ease; }
#globe:active { cursor: grabbing; }
.planet.is-live #globe { opacity: 1; }
.halo { position: absolute; inset: 6%; border-radius: 50%; background: radial-gradient(closest-side, #3a4fa855 60%, #5b46ef33 82%, transparent 100%); filter: blur(18px); }
.pet { position: absolute; z-index: 4; left: 50%; top: calc(var(--g) * .1); width: calc(var(--g) * .3); max-width: 190px; aspect-ratio: 1; padding: 0; border: 0; background: none; cursor: pointer; transform: translate(-50%, -86%); -webkit-tap-highlight-color: transparent; }
.pet img, .dock-pet img { width: 100%; height: 100%; transform-origin: 50% 90%; filter: drop-shadow(0 12px 14px #05081399); animation: bob 3.6s ease-in-out infinite; }
@keyframes bob { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-3%) rotate(2.5deg); } }
.is-hop img { animation: hop .78s var(--ease-out) !important; }
@keyframes hop {
  0% { transform: scale(1, 1); } 14% { transform: scale(1.16, .8); } 42% { transform: translateY(-46%) scale(.9, 1.12) rotate(-6deg); }
  68% { transform: translateY(0) scale(1.14, .84); } 84% { transform: scale(.96, 1.05); } 100% { transform: none; }
}
.hero-foot { position: relative; z-index: 4; margin-top: 10px; }
.legend { max-width: 30em; margin: 0 auto; }
.hero-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); text-align: left; max-width: 760px; margin: 22px auto 0; border-top: 1px solid var(--night-line); }
.hero-facts > div { padding: 14px 10px 0 0; min-width: 0; }
.hero-facts > div + div { padding-left: 12px; border-left: 1px solid var(--night-line); }
.hero-facts dt { font-size: 12px; color: var(--night-muted); line-height: 1.35; min-height: 2.7em; }
.hero-facts dd { font-size: clamp(18px, 5.4vw, 26px); font-weight: 800; color: var(--gold); line-height: 1.2; font-variant-numeric: tabular-nums; }
.hero-facts dd small { display: block; margin-top: 3px; font-size: 12px; font-weight: 600; color: var(--night-muted); }

/* 深色卡片：鼠标带光斑（只在有鼠标的设备上） */
.card { --mx: 50%; --my: 0%; position: relative; min-width: 0; border-radius: 20px; background: #141b36; border: 1px solid #ffffff17; overflow: hidden; isolation: isolate; }
.card::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .4s ease; background: radial-gradient(340px circle at var(--mx) var(--my), #7a69ff3d, transparent 62%); }
.card::after { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; opacity: 0; transition: opacity .4s ease; pointer-events: none;
  background: radial-gradient(260px circle at var(--mx) var(--my), #d6b598cc, transparent 60%);
  -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); }
.card.is-lit::before, .card.is-lit::after { opacity: 1; }

/* ---------- 用途选择器 ---------- */
.work { display: grid; gap: 18px; margin-top: 26px; }
.work-item { border-top: 1px solid var(--line); }
.work-btn { display: grid; grid-template-columns: 26px minmax(0, 1fr); column-gap: 12px; align-items: center; width: 100%; min-height: 64px; padding: 12px 12px 12px 10px; border: 0; border-radius: 12px; background: none; text-align: left; cursor: pointer; color: var(--muted); transition: background-color .2s ease, color .2s ease; }
.work-btn svg { grid-row: 1 / 3; color: currentColor; }
.work-btn b { font-size: 17px; color: var(--ink); }
.work-btn span { grid-column: 2; font-size: 14px; line-height: 1.45; }
.work-btn[aria-pressed="true"] { background: #14151c0d; }
.work-btn[aria-pressed="true"] svg { color: var(--accent); }
.work-detail { padding: 2px 10px 14px 48px; font-size: 14px; }
.work-detail > div { display: grid; grid-template-columns: 5.2em minmax(0, 1fr); gap: 8px; padding: 4px 0; }
.work-detail dt { color: var(--muted); }
.work-detail dd[data-k="cmd"] { font-family: var(--mono); font-size: 13px; }
.has-js .work-detail { display: none; }
.work-out { border-radius: 18px; background: var(--night); color: var(--night-ink); overflow: hidden; box-shadow: 0 30px 60px -34px #0a0e1a99; }
.work-bar { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--night-line); }
.term-dots { display: inline-flex; gap: 6px; }
.term-dots i { width: 10px; height: 10px; border-radius: 50%; background: #ffffff2e; }
.term-title { font: 600 13px var(--mono); color: var(--night-muted); }
.work-rows { padding: 6px 16px; }
.work-rows > div { display: grid; grid-template-columns: 5.4em minmax(0, 1fr); gap: 10px; padding: 11px 0; border-bottom: 1px solid var(--night-line); font-size: 15px; }
.work-rows dt { color: var(--night-muted); font-size: 13px; padding-top: 2px; }
.work-rows #work-fee { color: var(--gold); font-weight: 700; }
.work-cmd { margin: 0; padding: 14px 16px 18px; font: 14px/1.6 var(--mono); color: #cfd6ea; }
.work-cmd em { font-style: normal; color: var(--ok); }
.cur { display: inline-block; width: 8px; height: 1.1em; margin-left: 4px; vertical-align: -3px; background: #cfd6ea; animation: blink 1.1s steps(2, jump-none) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.work-out.is-swap .work-rows dd, .work-out.is-swap #work-cmd { animation: swap .35s var(--ease-out); }
@keyframes swap { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.tools .fine { margin-top: 16px; }

/* ---------- 价格 ---------- */
.price { padding-top: 8px; }
.split { display: grid; gap: 40px; }
.price-list { margin-top: 22px; border-radius: 18px; background: var(--panel); border: 1px solid var(--line); overflow: hidden; }
.price-list li { display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: 12px; align-items: center; padding: 16px 18px; border-top: 1px solid var(--line); }
.price-list li:first-child { border-top: 0; }
.price-list li.main { background: var(--night); color: var(--night-ink); }
.p-name { font-weight: 800; font-size: 17px; }
.p-spec { grid-column: 1; font-size: 14px; color: var(--muted); line-height: 1.45; }
.main .p-spec { color: var(--night-muted); }
.p-num { grid-row: 1 / 3; grid-column: 2; font-size: 24px; font-weight: 800; white-space: nowrap; font-variant-numeric: tabular-nums; text-align: right; }
.main .p-num { color: var(--gold); font-size: 30px; }
.p-num small { font-size: 13px; font-weight: 600; margin-left: 2px; opacity: .75; }
.p-num.ask { font-size: 16px; font-weight: 700; color: var(--muted); }
.price .cta-row { margin-top: 20px; }
.mac-pic { margin-bottom: 26px; border-radius: 20px; background: var(--night); overflow: hidden; text-align: center; }
.mac-pic img { width: 100%; max-width: 420px; height: auto; margin: 0 auto; mix-blend-mode: lighten; -webkit-mask-image: radial-gradient(closest-side, #000 52%, transparent 98%); mask-image: radial-gradient(closest-side, #000 52%, transparent 98%); }
.mac-pic figcaption { padding: 0 12px 14px; margin-top: -8px; font-size: 12px; color: var(--night-muted); }
.h3-top { font-size: 22px; font-weight: 800; }
.facts { margin-top: 14px; }
.facts > div { padding: 16px 0; border-top: 1px solid var(--line); }
.facts dt { font-weight: 800; font-size: 17px; }
.facts dd { margin-top: 4px; color: var(--muted); font-size: 15px; }

/* ---------- 硬实力 ---------- */
.build { padding: 72px 0; background: linear-gradient(var(--night), #0d1226); }
.bd { display: grid; gap: 22px; margin-top: 28px; }
.bd-tabs { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); padding: 4px; border-radius: 999px; background: #ffffff12; }
.bd-tab { position: relative; z-index: 1; min-height: 44px; padding: 0 6px; border: 0; background: none; border-radius: 999px; font-weight: 700; font-size: 15px; color: var(--night-muted); cursor: pointer; transition: color .25s ease; }
.bd-tab[aria-selected="true"] { color: var(--ink); }
.bd-ink { position: absolute; z-index: 0; top: 4px; bottom: 4px; left: 4px; width: calc((100% - 8px) / 3); border-radius: 999px; background: var(--night-ink); transform: translateX(calc(var(--tab, 0) * 100%)); transition: transform .45s var(--ease-out); }
.rack { margin-top: 18px; padding: 14px; }
.rack-cap { font-size: 12px; color: var(--night-muted); margin-bottom: 10px; }
.rack-row { position: relative; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 10px; min-height: 46px; padding: 0 12px; margin-top: 6px; border-radius: 10px; background: #0a0e1a99; border: 1px solid #ffffff14; font-size: 14px; }
.rack-row code { font: 600 13px var(--mono); color: var(--night-ink); }
.rack-row span { color: var(--night-muted); min-width: 0; }
.rack-row i { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px #54d38a26; }
.rack-row em { font-style: normal; font-size: 12px; font-weight: 700; padding: 3px 8px; border-radius: 999px; color: var(--c); border: 1px solid var(--c); opacity: 0; transform: translateX(8px); transition: opacity .3s ease, transform .45s var(--ease-out); transition-delay: calc(var(--k) * 60ms); }
.rack-row.lane { border-left: 3px solid #ffffff14; transition: border-color .3s ease; }
.rack[data-tab="1"] .rack-row.lane { border-left-color: var(--c); }
.rack[data-tab="1"] .rack-row em { opacity: 1; transform: none; }
.rack[data-tab="1"] .rack-row.lane i { display: none; }
.rack[data-tab="0"] .rack-row em, .rack[data-tab="2"] .rack-row em { display: none; }
.rack-scan { position: absolute; z-index: 1; left: 0; right: 0; top: 0; height: 56px; background: linear-gradient(#8fd6ff00, #8fd6ff2e 70%, #8fd6ff88); border-bottom: 1px solid #bfe8ff; opacity: 0; pointer-events: none; }
.rack[data-tab="2"] .rack-scan { opacity: 1; animation: scan 2.6s var(--ease-in-out) infinite; }
@keyframes scan { from { transform: translateY(-60px); } to { transform: translateY(420px); } }
.bd-panel { padding-top: 6px; }
.bd-panel + .bd-panel { margin-top: 28px; }
.has-js .bd-panels { display: grid; }
.has-js .bd-panel { grid-area: 1 / 1; margin: 0; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .25s ease, transform .4s var(--ease-out), visibility 0s .25s; }
.has-js .bd-panel.is-on { opacity: 1; visibility: visible; transform: none; transition: opacity .35s ease .08s, transform .5s var(--ease-out) .08s; }
.bd-panel h3 { font-size: 21px; font-weight: 800; }
.bd-panel > p { margin-top: 8px; color: var(--night-muted); font-size: 15px; }
.bd-panel ul { margin-top: 12px; }
.bd-panel li { padding: 11px 0; border-top: 1px solid var(--night-line); font-size: 15px; color: var(--night-muted); line-height: 1.55; }
.bd-panel li b { display: block; color: var(--night-ink); font-size: 16px; }
.bd-panel .fine { margin-top: 12px; }

/* ---------- 四步：一条光束串起四张卡 ---------- */
.flow { position: relative; display: grid; gap: 12px; margin-top: 26px; padding-left: 26px; }
.flow::before { content: ""; position: absolute; left: 7px; top: 10px; bottom: 10px; width: 2px; border-radius: 2px; background: #14151c1f; }
.flow::after { content: ""; position: absolute; left: 6px; top: 10px; width: 4px; height: 70px; border-radius: 4px; background: linear-gradient(transparent, var(--accent), transparent); animation: flowY 3.2s var(--ease-in-out) infinite; }
@keyframes flowY { from { transform: translateY(-40px); opacity: 0; } 15%, 85% { opacity: 1; } to { transform: translateY(var(--run, 160px)); opacity: 0; } }
@keyframes flowX { from { transform: translateX(-80px); opacity: 0; } 15%, 85% { opacity: 1; } to { transform: translateX(var(--run, 160px)); opacity: 0; } }
.flow li { position: relative; padding: 18px 18px 20px; border-radius: 18px; background: var(--panel); border: 1px solid var(--line); box-shadow: 0 18px 40px -34px #14151c66; }
.flow li::before { content: ""; position: absolute; left: -26px; top: 26px; width: 16px; height: 16px; border-radius: 50%; background: var(--paper); border: 3px solid var(--accent); }
.flow b { font: 700 13px var(--mono); color: var(--gold-ink); letter-spacing: .06em; }
.flow h3 { font-size: 20px; font-weight: 800; margin: 4px 0 6px; }
.flow p { color: var(--muted); font-size: 15px; line-height: 1.55; }
.story-end { margin-top: 22px; }
.story-end .cta-row { margin-top: 14px; }

/* ---------- 线路：光束卡 + 四个数字 ---------- */
.route { padding: 72px 0; background: linear-gradient(#0d1226, var(--night)); }
.route-grid { display: grid; gap: 0; margin-top: 26px; }
.beam { min-height: 250px; padding: 18px; }
.beam-node { position: absolute; z-index: 2; max-width: 48%; padding: 10px 14px; border-radius: 14px; background: #0a0e1acc; border: 1px solid var(--night-line); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.beam-node b { display: block; font-size: 15px; }
.beam-node span { display: block; font-size: 12px; color: var(--night-muted); line-height: 1.4; }
.beam-node.a { left: 16px; top: 18px; }
.beam-node.b { right: 16px; bottom: 44px; border-color: #d6b59866; }
.beam-node.b b { color: var(--gold); }
.beam-svg { position: absolute; left: 8%; top: 56px; width: 84%; height: 130px; overflow: visible; }
.beam-svg path { fill: none; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.beam-base { stroke: #ffffff26; stroke-width: 2; }
.beam-run { stroke: #f1d9c2; stroke-width: 3; stroke-dasharray: 22 100; stroke-dashoffset: 22; animation: beam 2.6s var(--ease-in-out) infinite; filter: drop-shadow(0 0 6px #d6b598); }
@keyframes beam { to { stroke-dashoffset: -100; } }
.koala { position: absolute; left: 14px; bottom: -14px; width: 92px; height: 92px; transform: rotate(-6deg); filter: drop-shadow(0 8px 10px #05081388); }
.beam-cap { position: absolute; right: 16px; bottom: 12px; }
.targets-h { margin-top: 24px; font-size: 14px; color: var(--night-muted); }
.targets { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 12px; }
.targets > div { padding: 16px; }
.targets dt { font-size: 13px; color: var(--night-muted); line-height: 1.4; }
.targets dd { margin-top: 6px; font-size: clamp(26px, 7.6vw, 40px); font-weight: 800; line-height: 1.15; color: var(--gold); font-variant-numeric: tabular-nums; white-space: nowrap; }
.targets dd small { font-size: 14px; font-weight: 600; color: var(--night-muted); margin-left: 4px; }

/* ---------- 问答、机位、微信、页脚 ---------- */
.faq { margin-top: 20px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 60px; padding: 8px 0; font-weight: 700; font-size: 17px; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 10px; height: 10px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .3s var(--ease-out); margin-right: 4px; }
.faq details[open] summary::after { transform: rotate(225deg); }
.faq details p { padding: 0 0 18px; color: var(--muted); max-width: 44em; }
.host { padding-top: 8px; }
.who-tag { display: inline-block; margin-bottom: 10px; padding: 5px 12px; border-radius: 999px; background: #14151c0d; font-size: 13px; font-weight: 600; color: var(--muted); }
.host-price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; margin: 20px 0 8px; }
.host-price span { font-size: 14px; color: var(--muted); width: 100%; }
.host-price b { font-size: 40px; line-height: 1; font-variant-numeric: tabular-nums; }
.host-price i { font-style: normal; }
.host-price small { font-size: 15px; color: var(--muted); }
.host .cta-row { margin-top: 18px; }
.host h3 { font-size: 22px; font-weight: 800; }
.ticks { margin-top: 12px; }
.ticks li { position: relative; padding: 13px 0 13px 30px; border-top: 1px solid var(--line); font-size: 15px; }
.ticks li::before { content: ""; position: absolute; left: 4px; top: 19px; width: 12px; height: 7px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }
.wechat { padding: 64px 0; background: radial-gradient(80% 120% at 80% 0%, #1b2450 0%, var(--night) 70%); }
.wx-grid { display: grid; gap: 22px; align-items: center; }
.wx-head { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 14px; align-items: center; }
.wx-head img { width: 84px; height: 84px; object-fit: contain; filter: drop-shadow(0 8px 8px #00000055); }
.wechat .sub a { text-underline-offset: 4px; }
.wx-act { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.wx-tip { font-size: 14px; color: var(--ok); min-height: 1.4em; }
.foot { padding: 30px 0 44px; border-top: 1px solid var(--night-line); font-size: 14px; color: var(--night-muted); }
.foot p + p { margin-top: 8px; }
.foot a { text-underline-offset: 4px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 0 18px; }
.foot-links a, .also a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; min-width: 44px; }
.credit { margin-top: 14px !important; padding-top: 14px; border-top: 1px solid var(--night-line); font-size: 12px; line-height: 1.7; color: #8088a0; }
.credit a { display: inline; }

/* ---------- 桌宠：离开首屏后企鹅蹲到右下角 ---------- */
.dock { position: fixed; right: 8px; bottom: 8px; z-index: 35; display: flex; align-items: flex-end; gap: 4px; pointer-events: none; }
.dock[hidden] { display: none; }
.dock-pet { width: 64px; height: 64px; padding: 0; border: 0; background: none; cursor: pointer; pointer-events: auto; transform: translateY(130%); visibility: hidden; transition: transform .7s var(--spring), visibility 0s .7s; -webkit-tap-highlight-color: transparent; }
.dock.is-up .dock-pet { transform: none; visibility: visible; transition: transform .7s var(--spring); }
.say { margin-bottom: 44px; padding: 8px 12px; max-width: 190px; border-radius: 14px 14px 4px 14px; background: #fff; color: var(--ink); font-size: 13px; font-weight: 600; line-height: 1.4; box-shadow: 0 10px 30px -10px #000a;
  opacity: 0; transform: translateY(8px) scale(.94); transform-origin: 100% 100%; transition: opacity .2s ease, transform .35s var(--ease-out); }
.say.is-on { opacity: 1; transform: none; }

/* ---------- 进场 ---------- */
.js-anim [data-in] { opacity: 0; transform: translateY(18px); }
.js-anim.is-ready [data-in] { opacity: 1; transform: none; transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); transition-delay: calc(var(--i, 0) * 80ms); }
.js-anim [data-rv] { opacity: 0; transform: translateY(20px); }
.js-anim [data-rv].is-in { opacity: 1; transform: none; transition: opacity .7s var(--ease-out), transform .7s var(--ease-out); transition-delay: calc(var(--d, 0) * 70ms); }

@media (min-width: 380px) { .top { padding: 0 12px 0 16px; } .top nav { gap: 6px; } .brand { font-size: 16px; } .pill { padding: 0 12px; } .top-cta { padding: 0 16px; } }
@media (min-width: 760px) {
  .brand small { display: inline; }
  .nav-link { display: inline-flex; }
  .top { padding: 0 24px; }
  .wrap { padding: 0 28px; }
  .block { padding: 96px 0; }
  .hero { padding-top: 96px; }
  .hero h1 { font-size: clamp(40px, 4.4vw, 60px); }
  .planet { --g: min(660px, 76vh); margin-top: 96px; height: calc(var(--g) * .56); }
  .pet { width: calc(var(--g) * .22); }
  .hero-facts dd small { display: inline; margin: 0 0 0 3px; }
  .work { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 36px; align-items: start; margin-top: 36px; }
  .work-out { position: sticky; top: 84px; }
  .price { padding-top: 0; }
  .split { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 56px; }
  .build, .route { padding: 104px 0; }
  .bd { grid-template-columns: minmax(0, .95fr) minmax(0, 1fr); gap: 48px; align-items: start; margin-top: 40px; }
  .flow { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; padding: 34px 0 0; margin-top: 36px; }
  .flow::before { left: 0; right: 0; top: 8px; bottom: auto; width: auto; height: 2px; }
  .flow::after { left: 0; top: 7px; width: 90px; height: 4px; background: linear-gradient(90deg, transparent, var(--accent), transparent); animation-name: flowX; }
  .flow li::before { left: 20px; top: -34px; }
  .flow li { padding: 22px; }
  .story-end { margin-top: 36px; text-align: center; }
  .story-end .sub { margin-left: auto; margin-right: auto; }
  .story-end .cta-row { justify-content: center; }
  .route-grid { margin-top: 36px; }
  .beam { min-height: 320px; }
  .beam-svg { top: 74px; height: 160px; }
  .beam-node { padding: 12px 18px; }
  .beam-node.a { left: 28px; top: 28px; } .beam-node.b { right: 28px; bottom: 52px; }
  .koala { width: 120px; height: 120px; left: 24px; }
  .targets { gap: 16px; }
  .targets > div { padding: 20px; }
  .dock-pet { width: 96px; height: 96px; }
  .dock { right: 18px; bottom: 14px; }
  .wx-grid { grid-template-columns: minmax(0, 1fr) auto; }
  .wx-head { grid-template-columns: 110px minmax(0, 1fr); }
  .wx-head img { width: 110px; height: 110px; }
}
@media (min-width: 1000px) {
  .route-grid { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 32px; align-items: center; }
  .targets { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .targets-h { margin-top: 0; }
}
@media (hover: hover) {
  .nav-link:hover, .pill:hover { color: var(--night-ink); }
  .btn.primary:hover, .top-cta:hover { background: var(--accent-hi); }
  .btn.ghost:hover { border-color: #ffffff77; }
  .light .btn.ghost:hover { border-color: #14151c88; }
  .work-btn:hover { background: #14151c08; }
  .who a:hover { color: var(--night-ink); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; transition-delay: 0s !important; scroll-behavior: auto !important; }
  .rack-scan, .flow::after { display: none; }
  .beam-run { stroke-dasharray: none; }
}


/* home-v2 direction C */
/* ===== 首页 v2 预览公共部分：新地球画布、吉祥物容器、预览切换 ===== */
.g2 { display: block; width: 100%; height: 100%; cursor: grab; touch-action: pan-y; opacity: 0; transition: opacity 1s ease; }
.g2:active { cursor: grabbing; }
.planet.is-live .g2 { opacity: 1; }
.m { display: block; width: 100%; height: 100%; transform-origin: 50% 90%; }
.pet .m, .dock-pet .m { animation: bob 3.6s ease-in-out infinite; }
.is-hop .m { animation: hop .78s var(--ease-out) !important; }
.wx-head .m { width: 84px; height: 84px; }
.pv-note { margin: 0; padding: 14px 20px; text-align: center; font-size: 13px; line-height: 1.6; color: var(--night-muted); border-top: 1px dashed var(--night-line); border-bottom: 1px dashed var(--night-line); background: #0d1226; }
.switch { position: fixed; left: 10px; bottom: 10px; z-index: 40; display: flex; align-items: center; gap: 2px; padding: 4px 4px 4px 12px; border-radius: 999px; background: #0a0e1aee; border: 1px solid #ffffff2e; font-size: 13px; color: var(--night-muted); }
.switch span { margin-right: 4px; }
.switch a { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; border-radius: 999px; font-weight: 700; text-decoration: none; color: var(--night-ink); }
.switch a[aria-current] { background: var(--accent); color: #fff; }
.is-still .switch { display: none; }
/* 地球多露出一点，中国和悉尼才能同时看到 */
.planet { height: calc(var(--g) * .74); }
.planet::after { height: 22%; }
@media (min-width: 760px) { .planet { height: calc(var(--g) * .64); } .wx-head .m { width: 110px; height: 110px; } }

/* ===== 方向 C：不用角色，企鹅标记 + 银白数据流地球 ===== */
.dir-c .halo { background: radial-gradient(closest-side, #5a688f40 58%, #54d38a1c 84%, transparent 100%); }
.dir-c .planet { margin-top: 44px; }
.brand-mk { width: 28px; height: 28px; flex: none; }
.tag { position: absolute; left: 0; top: 0; z-index: 4; pointer-events: none; opacity: 0; transition: opacity .3s ease; will-change: transform; }
.tag i { display: block; transform: translate(14px, -50%); padding: 3px 9px; border-radius: 999px; font: 600 12px/1.5 var(--sans); font-style: normal; white-space: nowrap; color: var(--night-muted); background: #0a0e1ab8; border: 1px solid #ffffff24; }
.tag.hub i { transform: translate(-50%, -100%) translateY(-14px); color: #0a0e1a; background: #54d38a; border-color: #54d38a; font-weight: 700; }
.tag[data-node="mel"] i { transform: translate(-100%, -50%) translate(-12px, 6px); }
.tag.wide { display: none; }
.tag.wide i { transform: translate(-100%, -50%) translateX(-12px); }
.dir-c .wx-head .m { filter: drop-shadow(0 10px 14px #00000066); }
.dir-c .dock-pet { width: 56px; height: 56px; margin: 0 4px 4px 0; }
.dir-c .dock-pet .m { animation: none; filter: drop-shadow(0 8px 14px #000a); }
.dir-c .say { margin-bottom: 34px; }
.dir-c .beam-run { stroke: #c8f5dc; filter: drop-shadow(0 0 6px #54d38a); stroke-dasharray: 1 7; stroke-linecap: round; stroke-width: 4; animation-timing-function: linear; }
.dir-c .beam-node.b { border-color: #54d38a77; }
@media (min-width: 760px) { .dir-c .planet { margin-top: 56px; } .tag.wide { display: block; } .tag i { font-size: 13px; } .tag.hub i { transform: translate(14px, -50%); } .dir-c .dock-pet { width: 64px; height: 64px; } }