/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--c-bg); color: var(--c-text);
  font: 400 17px/1.5 var(--font-sans); font-synthesis: none; font-kerning: normal;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility;
}
html[data-script="alpha"] body { letter-spacing: -0.011em; }
h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
svg, img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; letter-spacing: inherit; cursor: pointer; border: 0; background: none; padding: 0; }
:focus-visible { outline: 2px solid var(--c-brand-text); outline-offset: 3px; border-radius: 4px; }
[hidden] { display: none !important; }
.wrap { width: min(100% - 2 * var(--gutter), var(--maxw)); margin-inline: auto; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* 切换深浅色时的短暂过渡（脚本只在切换的瞬间加上这个类） */
html.theme-anim, html.theme-anim *, html.theme-anim *::before, html.theme-anim *::after {
  transition: background-color 0.45s ease, color 0.45s ease, border-color 0.45s ease, fill 0.45s ease, stroke 0.45s ease, box-shadow 0.45s ease !important;
}

/* 滚动渐显（仅在脚本可用时启用） */
html.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1); }
html.js .reveal.is-in { opacity: 1; transform: none; }

/* ---------- 标志 ---------- */
.logo { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.logo__mark { width: 24px; height: 24px; flex: none; }
.logo__word { font: 600 18px/1 var(--font-latin); letter-spacing: -0.02em; }
.logo__word em { font-style: normal; color: var(--c-brand-text); }
.on-dark .logo__word em { color: inherit; opacity: 0.7; }

/* ---------- 按钮与链接 ---------- */
.pill {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 0 24px; border-radius: 980px;
  background: var(--c-brand); color: var(--c-on-brand); font-size: 17px; font-weight: 500;
  transition: background-color 0.2s, transform 0.2s;
}
.pill:hover { background: var(--c-brand-hover); }
.pill:active { transform: scale(0.97); }
.pill--sm { min-height: 30px; padding: 0 14px; font-size: 13px; }
.pill--light { background: #f5f5f7; color: #1d1d1f; }
.pill--light:hover { background: #ffffff; }
.link { color: var(--c-brand-text); font-size: 17px; font-weight: 500; }
.link::after { content: "›"; display: inline-block; margin-left: 0.3em; transition: transform 0.2s; }
.link:hover::after { transform: translateX(3px); }

/* ---------- 导航 ---------- */
.nav {
  position: sticky; top: 0; z-index: 100; height: var(--nav-h);
  background: var(--c-nav);
  -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--c-hairline);
}
.nav__in { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; height: 100%; }
.nav__links { display: flex; gap: clamp(22px, 3.2vw, 44px); font-size: 13px; }
.nav__links a { opacity: 0.8; transition: opacity 0.2s; }
.nav__links a:hover { opacity: 1; }
.nav__tools { justify-self: end; display: flex; align-items: center; gap: 6px; }
.nav__tools .pill { margin-left: 6px; }
.theme { height: 30px; border-radius: 15px; font-size: 13px; opacity: 0.8; transition: background-color 0.2s, opacity 0.2s; }
.theme { width: 30px; display: grid; place-items: center; }
.theme:hover { opacity: 1; background: var(--c-hover); }

/* 语言菜单：用 details/summary，不开脚本也能用 */
.langmenu { position: relative; }
.langmenu > summary {
  display: inline-flex; align-items: center; gap: 5px; height: 30px; padding: 0 10px; border-radius: 15px;
  font-size: 13px; opacity: 0.8; cursor: pointer; list-style: none; white-space: nowrap; transition: background-color 0.2s, opacity 0.2s;
}
.langmenu > summary::-webkit-details-marker { display: none; }
.langmenu > summary:hover, .langmenu[open] > summary { opacity: 1; background: var(--c-hover); }
.langmenu > summary svg { width: 15px; height: 15px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.langmenu__list {
  position: absolute; top: calc(100% + 8px); right: 0; z-index: 120; min-width: 168px; padding: 6px;
  border-radius: 16px; background: var(--c-nav); border: 1px solid var(--c-hairline);
  -webkit-backdrop-filter: saturate(180%) blur(24px); backdrop-filter: saturate(180%) blur(24px);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
}
.langmenu__list a { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 9px 12px; border-radius: 10px; font-size: 14px; }
.langmenu__list a:hover { background: var(--c-hover); }
.langmenu__list a[aria-current="true"] { font-weight: 600; }
.langmenu__list a[aria-current="true"]::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c-brand-text); }
.theme svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.theme .i-sun, [data-theme="dark"] .theme .i-moon { display: none; }
[data-theme="dark"] .theme .i-sun { display: block; }
.nav__burger { display: none; width: 36px; height: 36px; margin-right: -8px; place-content: center; gap: 6px; }
.nav__burger span { display: block; width: 17px; height: 1.5px; background: var(--c-text); transition: transform 0.3s; }

/* ---------- 文字层级 ---------- */
.eyebrow { font-size: 14px; line-height: 1.6; font-weight: 600; letter-spacing: 0.1em; color: var(--c-brand-text); }
html[data-script="alpha"] .eyebrow { font-size: 12.5px; letter-spacing: 0.14em; text-transform: uppercase; }
.display {
  margin-top: 0.32em; font-size: clamp(38px, 10.4vw, 104px); line-height: 1.12; font-weight: 600; text-wrap: balance;
}
html[data-script="alpha"] .display { line-height: 1.04; letter-spacing: -0.035em; }
.display span { display: block; }
/* 第一行用细体、第二行用半粗渐变，靠字重对比建立层次 */
.display .t1 { font-weight: 300; letter-spacing: 0.02em; }
html[data-script="alpha"] .display .t1 { letter-spacing: -0.03em; }
.display .t2 { color: var(--g-1); }
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .display .t2 {
    background: linear-gradient(100deg, var(--g-1) 10%, var(--g-2) 90%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
    padding-bottom: 0.08em; /* 给渐变裁切留出字的下沿 */
  }
}
/* 行末的全角标点只占左半格，收回右半格的空白，让居中的标题在视觉上真正居中 */
.display .punc, .headline .punc { font-style: normal; margin-right: -0.5em; }
/* 首屏标题：中文用思源宋体（Noto Serif SC，SIL OFL 1.1），英文仍用 Inter */
html[data-lang="zh"] .display--serif { font-family: "AS Display Serif", var(--font-sans); line-height: 1.2; letter-spacing: 0.04em; }
html[data-lang="zh"] .display--serif .t1 { font-weight: 300; letter-spacing: 0.04em; }
/* 日文首屏标题：思源宋体日文版（Noto Serif JP，SIL OFL 1.1） */
html[data-lang="ja"] .display--serif { font-family: "AS Display Serif JP", var(--font-sans); line-height: 1.24; letter-spacing: 0.04em; }
html[data-lang="ja"] .display--serif .t1 { font-weight: 300; letter-spacing: 0.04em; }

.headline { margin-top: 0.36em; font-size: clamp(30px, 5vw, 56px); line-height: 1.16; font-weight: 600; text-wrap: balance; }
html[data-script="alpha"] .headline { line-height: 1.08; letter-spacing: -0.03em; }

/* ---------- 首屏 ---------- */
.hero { padding-top: clamp(56px, 8.5vw, 112px); text-align: center; }
.hero__sub {
  margin: clamp(18px, 2.2vw, 26px) auto 0; max-width: 30em;
  font-size: clamp(17px, 1.7vw, 21px); line-height: 1.6; color: var(--c-text-2); text-wrap: pretty;
}
html[data-script="alpha"] .hero__sub { max-width: 34em; line-height: 1.5; }
.hero__cta { margin-top: clamp(26px, 3vw, 36px); display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 14px 28px; }

/* 首屏舞台：光晕 → 设备 → 悬浮的毛玻璃卡片，三层有不同的视差深度 */
.stage {
  --k: 120; /* 舞台宽度 ÷ --k = 1em，约等于设计稿里的 10px；随舞台比例在断点处调整 */
  position: relative; margin-top: clamp(44px, 6.5vw, 84px); aspect-ratio: 2 / 1;
  border-radius: var(--r-stage); overflow: hidden; background: var(--c-surface);
  container-type: inline-size; isolation: isolate;
}
.stage__glow { position: absolute; inset: 0; }
.stage__glow i { position: absolute; width: 46%; aspect-ratio: 1; border-radius: 50%; filter: blur(64px); opacity: 0.85; animation: drift 16s ease-in-out infinite alternate; }
.stage__glow i:nth-child(1) { left: 2%; top: -34%; background: var(--glow-1); }
.stage__glow i:nth-child(2) { right: 0; top: -16%; background: var(--glow-2); animation-duration: 21s; animation-delay: -7s; }
.stage__glow i:nth-child(3) { left: 30%; bottom: -62%; background: var(--glow-3); animation-duration: 25s; animation-delay: -12s; }
[data-theme="dark"] .stage__glow i { opacity: 0.5; }
@keyframes drift { from { transform: translate3d(-7%, -4%, 0) scale(1); } to { transform: translate3d(9%, 7%, 0) scale(1.16); } }

.scene { position: absolute; top: 0; left: 50%; height: 100%; aspect-ratio: 2 / 1; transform: translateX(-50%); font-size: clamp(4px, 0.82vw, 10px); }
@supports (width: 1cqw) { .scene { font-size: calc(100cqw / var(--k)); } }
.layer {
  position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none;
  translate: calc(var(--px, 0) * var(--d, 1) * 1px) calc(var(--py, 0) * var(--d, 1) * 1px);
  transition: translate 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}
html.js .stage .layer { opacity: 0; transform: translateY(5em); }
html.js .stage.is-in .layer {
  opacity: 1; transform: none;
  transition: opacity 1s ease calc(var(--i, 0) * 0.13s), transform 1.3s cubic-bezier(0.2, 0.7, 0.2, 1) calc(var(--i, 0) * 0.13s), translate 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.glass {
  position: absolute; display: flex; flex-direction: column; gap: 1.1em; padding: 1.7em 1.8em; border-radius: 2.2em;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(18px) saturate(180%); backdrop-filter: blur(18px) saturate(180%);
  border: 1px solid var(--glass-line);
  box-shadow: 0 2.4em 5em -1em var(--glass-shadow), inset 0 1px 0 var(--glass-line);
  animation: float 7s ease-in-out infinite;
}
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-1em); } }
.glass__row { display: flex; align-items: center; gap: 1em; }
.glass .bar { display: block; height: 0.72em; border-radius: 0.36em; background: rgba(var(--glass-ink), 0.2); }
.glass .bar--k { background: rgba(var(--glass-ink), 0.82); }
.glass .spark { width: 2.4em; height: 2.4em; flex: none; fill: var(--c-accent); }
.glass .tag { margin-left: auto; width: 4.4em; height: 1.7em; border-radius: 0.85em; background: var(--c-brand-tint); }
.glass .chart { display: flex; align-items: flex-end; gap: 0.9em; height: 6.4em; }
.glass .chart i { flex: 1; border-radius: 0.5em; background: rgba(var(--glass-ink), 0.16); }
.glass .chart i.hi { background: var(--a-brand); }
.glass--pill { flex-direction: row; align-items: center; gap: 1em; padding: 1em 1.6em 1em 1em; border-radius: 3em; }
.glass .ok { display: grid; place-items: center; width: 3em; height: 3em; border-radius: 50%; background: var(--a-brand); }
.glass .ok svg { width: 1.7em; height: 1.7em; fill: none; stroke: var(--a-on-brand); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.glass .dot { width: 0.9em; height: 0.9em; border-radius: 50%; background: var(--c-accent); animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 var(--c-accent); opacity: 1; } 70% { box-shadow: 0 0 0 0.9em transparent; opacity: 0.7; } 100% { box-shadow: 0 0 0 0 transparent; opacity: 1; } }
.g-a { left: 8%; top: 10%; width: 22em; }
.g-b { left: 73.5%; top: 63%; width: 19em; animation-delay: -2.6s; }
.g-c { left: 56.5%; top: 4.5%; animation-delay: -4.4s; }

/* ---------- 促销：顶部通栏与特惠模块 ---------- */
.ribbon {
  display: flex; justify-content: center; align-items: baseline; flex-wrap: wrap; gap: 2px 10px;
  padding: 9px var(--gutter); background: var(--c-surface); border-bottom: 1px solid var(--c-hairline);
  font-size: 13px; line-height: 1.5; text-align: center;
}
.ribbon strong { font-weight: 600; color: var(--c-brand-text); }
.ribbon__go { color: var(--c-brand-text); transition: transform 0.2s; }
.ribbon:hover .ribbon__go { transform: translateX(3px); }
/* 手机上只显示短文案，保证通栏一行 */
.ribbon__short { display: none; }
@media (max-width: 734px) { .ribbon__text { display: none; } .ribbon__short { display: inline; } }

.offer { padding-bottom: 0; }
.offer__tile {
  position: relative; isolation: isolate; overflow: hidden;
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 32px clamp(32px, 5vw, 72px); align-items: center;
  padding: clamp(32px, 6vw, 80px); border-radius: var(--r-stage); background: var(--c-surface);
}
.offer__glow { position: absolute; inset: 0; z-index: -1; }
.offer__glow i { position: absolute; width: 44%; aspect-ratio: 1; border-radius: 50%; filter: blur(72px); opacity: 0.8; animation: drift 18s ease-in-out infinite alternate; }
.offer__glow i:nth-child(1) { right: -6%; top: -42%; background: var(--glow-1); }
.offer__glow i:nth-child(2) { right: 20%; bottom: -58%; background: var(--glow-3); animation-delay: -8s; }
[data-theme="dark"] .offer__glow i { opacity: 0.45; }
.offer__text .lede { margin-top: 18px; max-width: 30em; font-size: clamp(16px, 1.5vw, 18px); line-height: 1.7; color: var(--c-text-2); text-wrap: pretty; }
html[data-script="alpha"] .offer__text .lede { line-height: 1.55; }
.offer__cta { margin-top: 30px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; }
.offer__card {
  padding: clamp(24px, 3vw, 38px); border-radius: 28px; background: var(--glass-bg);
  -webkit-backdrop-filter: blur(22px) saturate(180%); backdrop-filter: blur(22px) saturate(180%);
  border: 1px solid var(--glass-line); box-shadow: 0 30px 60px -32px var(--glass-shadow), inset 0 1px 0 var(--glass-line);
}
.offer__label { font-size: 14px; font-weight: 600; color: var(--c-text-2); }
.offer__price { margin-top: 8px; font-size: clamp(76px, 8.6vw, 116px); line-height: 1; font-weight: 600; letter-spacing: -0.045em; color: var(--g-1); font-variant-numeric: tabular-nums; }
.offer__price .cur { font-size: 0.4em; font-weight: 500; letter-spacing: 0; vertical-align: 1.05em; margin-right: 0.1em; }
/* 「起」/「From」：小字、弱化，表示起步价 */
.offer__price .from, .offer__price .pre { font-size: 0.14em; font-weight: 500; letter-spacing: 0; color: var(--c-text-3); -webkit-text-fill-color: var(--c-text-3); }
.offer__price .from { margin-left: 0.3em; }
.offer__price .pre { display: block; margin: 0 0 0.5em; letter-spacing: 0.02em; } /* 「From / ab / Desde」作为价格上方的一行小字 */
.offer__price .from:empty, .offer__price .pre:empty { display: none; }
@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .offer__price {
    display: inline-block; padding-right: 0.06em;
    background: linear-gradient(110deg, var(--g-1) 15%, var(--g-2) 95%);
    -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent;
  }
}
.offer__scope { margin-top: 6px; font-size: 14px; font-weight: 500; color: var(--c-text-2); }
.offer__list { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--c-line); display: grid; gap: 12px; font-size: 16px; }
.offer__list li { position: relative; padding-left: 28px; }
.offer__list li::before {
  content: ""; position: absolute; left: 3px; top: 0.42em; width: 12px; height: 6.5px;
  border-left: 2px solid var(--c-brand-text); border-bottom: 2px solid var(--c-brand-text); transform: rotate(-45deg);
}
/* 价格说明：写清包含与不包含的内容，用次级文字色保证可读 */
.offer__note { grid-column: 1 / -1; padding-top: 20px; border-top: 1px solid var(--c-line); font-size: 13px; line-height: 1.7; color: var(--c-text-2); }
.badge { display: inline-block; margin-bottom: 14px; padding: 4px 12px; border-radius: 980px; background: var(--c-brand-tint); color: var(--c-brand-text); font-size: 13px; font-weight: 600; transition: transform 0.2s; }
.badge:hover { transform: translateY(-1px); }

/* 插图用色：全部走变量，深色模式下自动换成深色设备 */
.a-w { fill: var(--a-w); stroke: var(--a-outline); } .a-g1 { fill: var(--a-g1); } .a-g2 { fill: var(--a-g2); } .a-g3 { fill: var(--a-g3); }
.a-ink { fill: var(--a-ink); } .a-brand { fill: var(--a-brand); } .a-onb { fill: var(--a-on-brand); }
.a-tint { fill: var(--c-brand-tint); } .a-accent { fill: var(--c-accent); }
.a-black { fill: #111113; stroke: var(--a-outline); }
.a-stroke { fill: none; stroke: var(--a-g3); stroke-width: 1.5; } .a-stroke-ink { fill: none; stroke: var(--a-ink); stroke-width: 2; }

/* ---------- 区块通用 ---------- */
.sec { padding: clamp(88px, 12vw, 168px) 0; }
.sec--surface { background: var(--c-surface); }
.sec--dark { background: var(--c-dark); color: var(--c-on-dark); }
.sec__head { max-width: 920px; margin: 0 auto clamp(40px, 6vw, 76px); text-align: center; }
.sec__sub { margin: 20px auto 0; max-width: 32em; font-size: clamp(17px, 1.6vw, 19px); line-height: 1.6; color: var(--c-text-2); text-wrap: pretty; }
html[data-script="alpha"] .sec__sub { line-height: 1.5; }
.sec--dark .sec__sub { color: var(--c-on-dark-2); }

/* ---------- 服务：模块拼贴 ---------- */
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px; }
.tile { grid-column: span 2; display: flex; flex-direction: column; border-radius: var(--r-tile); background: var(--c-surface); overflow: hidden; }
.tile--lg { grid-column: span 3; }
.tile--dark { background: var(--c-dark-tile); color: var(--c-on-dark); }
[data-theme="dark"] .tile--dark { box-shadow: inset 0 0 0 1px var(--c-hairline); }
.tile__body { padding: clamp(28px, 3.4vw, 44px) clamp(24px, 3.4vw, 44px) 0; }
.tile h3 { font-size: clamp(23px, 2.4vw, 30px); line-height: 1.2; font-weight: 600; }
html[data-script="alpha"] .tile h3 { letter-spacing: -0.02em; }
.tile p { margin-top: 12px; font-size: 16px; line-height: 1.6; color: var(--c-text-2); text-wrap: pretty; }
html[data-script="alpha"] .tile p { line-height: 1.5; }
.tile--dark p { color: var(--c-on-dark-2); }
.tile .tile__tags { margin-top: 16px; font-size: 13px; font-weight: 500; letter-spacing: 0.02em; color: var(--c-brand-text); }
.tile--dark .tile__tags { color: var(--c-on-dark); opacity: 0.86; }
.tile__art { margin-top: auto; padding-top: 30px; }
.tile__art svg { width: 100%; height: auto; transition: transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1); transform-origin: 50% 100%; }
@media (hover: hover) { .tile:hover .tile__art svg { transform: translateY(-8px) scale(1.025); } }

/* ---------- 原则 ---------- */
.principles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 40px 32px; }
.principle { padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, 0.2); }
.principle h3 { font-size: 20px; line-height: 1.35; font-weight: 600; }
.principle p { margin-top: 10px; font-size: 15px; line-height: 1.65; color: var(--c-on-dark-2); }

/* ---------- 流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.step {
  display: flex; flex-direction: column; align-items: flex-start; padding: clamp(28px, 3vw, 40px);
  border-radius: var(--r-tile); background: var(--c-card);
  transition: transform 0.5s cubic-bezier(0.2, 0.7, 0.2, 1), box-shadow 0.5s cubic-bezier(0.2, 0.7, 0.2, 1);
}
@media (hover: hover) { .step:hover { transform: translateY(-6px); box-shadow: 0 28px 48px -28px rgba(0, 0, 0, 0.22); } }
/* 不用数字：左上是自绘的线性图标，右上是六格进度刻度，亮到第几格就是第几步 */
.step__top { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.step__ic { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 16px; background: var(--c-brand-tint); }
.step__ic svg { width: 28px; height: 28px; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.step__prog { display: flex; gap: 4px; }
.step__prog i { width: 14px; height: 3px; border-radius: 2px; background: var(--c-line); }
.step__prog i.on { background: var(--c-brand-text); opacity: 0.38; }
.step__prog i.now { background: var(--c-brand-text); opacity: 1; }
.step__en { margin-top: 28px; font-size: 11px; line-height: 1.6; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--c-text-3); }
html[data-script="alpha"] .step__en { display: none; }
.step h3 { margin-top: 4px; font-size: 22px; line-height: 1.3; font-weight: 600; letter-spacing: 0.01em; }
html[data-script="alpha"] .step h3 { margin-top: 28px; letter-spacing: -0.02em; }
.step p { margin: 10px 0 30px; font-size: 15px; line-height: 1.75; color: var(--c-text-2); text-wrap: pretty; }
html[data-script="alpha"] .step p { line-height: 1.6; }
.step__out {
  margin-top: auto; padding-top: 18px; width: 100%; border-top: 1px solid var(--c-line);
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  font-size: 12px; letter-spacing: 0.1em; color: var(--c-text-3);
}
html[data-script="alpha"] .step__out { letter-spacing: 0.06em; text-transform: uppercase; }
.step__out strong { font-size: 14px; font-weight: 600; letter-spacing: 0; text-transform: none; color: var(--c-text); text-align: right; }

/* ---------- 案例 ---------- */
.cases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.case__img { aspect-ratio: 4 / 3; display: grid; place-items: center; border-radius: var(--r-tile); background: var(--c-surface); font-size: 13px; color: var(--c-text-3); }
.case__cat { margin-top: 18px; font-size: 13px; font-weight: 600; letter-spacing: 0.04em; color: var(--c-brand-text); }
.case h3 { margin-top: 2px; font-size: 20px; font-weight: 600; }
.case p { font-size: 15px; color: var(--c-text-2); }

/* ---------- 常见问题 ---------- */
.faq { max-width: 820px; margin-inline: auto; border-top: 1px solid var(--c-line); }
.faq details { border-bottom: 1px solid var(--c-line); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 24px 0; font-size: clamp(18px, 1.9vw, 21px); font-weight: 600; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; width: 14px; height: 14px; transition: transform 0.3s;
  background: linear-gradient(var(--c-text), var(--c-text)) center / 100% 1.5px no-repeat, linear-gradient(var(--c-text), var(--c-text)) center / 1.5px 100% no-repeat;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 40px 28px 0; line-height: 1.65; color: var(--c-text-2); }

/* ---------- 服务客户 ---------- */
.clients.sec { padding: clamp(72px, 9vw, 128px) 0; }
.clients__list { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; max-width: 1080px; margin: 0 auto; padding: 0; list-style: none; }
.client { flex: 0 1 auto; min-width: 250px; display: flex; flex-direction: column; }
.client__note { margin-top: 10px; font-size: 12px; line-height: 1.5; color: var(--c-text-3); text-align: center; }
.clients__note { margin: 8px 0 0; font-size: 12px; color: var(--c-text-3); text-align: center; }
/* Logo 底色固定为白色：各家 Logo 多为深色，深色模式下也要看得清；Logo 保持原色 */
.client > a, .client__box { display: flex; align-items: center; justify-content: center; height: 104px; padding: 20px 28px; border-radius: 20px; background: #fff; box-shadow: inset 0 0 0 1px var(--c-hairline); }
.client img { max-width: 100%; max-height: 58px; object-fit: contain; }
.client > a { transition: box-shadow 0.3s, transform 0.3s; }
.client > a:hover { box-shadow: inset 0 0 0 1px var(--c-line), 0 10px 30px rgba(0, 0, 0, 0.08); transform: translateY(-2px); }
.client__name { font-size: 15px; font-weight: 600; line-height: 1.4; color: #1d1d1f; text-align: center; }
.client__lockup { display: flex; align-items: center; gap: 10px; }
.client .client__lockup img { max-height: 36px; }
.client__lockup .client__name { text-align: left; white-space: nowrap; }
[data-theme="dark"] .client > a, [data-theme="dark"] .client__box { background: #e4e4e8; box-shadow: none; }
[data-theme="dark"] .client > a:hover { background: #fff; box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4); }

/* ---------- 联系 ---------- */
.cta { padding-bottom: clamp(40px, 6vw, 80px); }
.cta__tile {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px clamp(32px, 6vw, 88px); align-items: center;
  padding: clamp(44px, 7.5vw, 100px) clamp(24px, 6.5vw, 92px);
  border-radius: var(--r-stage); background: var(--c-cta); color: #fff;
}
[data-theme="dark"] .cta__tile { box-shadow: inset 0 0 0 1px var(--c-hairline); }
.cta__tile .headline { margin-top: 0; }
.cta__tile p.lede { margin-top: 18px; max-width: 27em; font-size: clamp(17px, 1.7vw, 19px); line-height: 1.6; opacity: 0.86; }
.cta__tile .pill { margin-top: 30px; }
/* 「需安装微信 App」提示：小字、弱化 */
.cta__hint { margin-top: 10px; font-size: 12px; opacity: 0.72; }
.kf-panel__hint { margin: 8px 0 0; font-size: 11px; color: var(--c-text-3); }
/* 邮件咨询：与客服按钮之间用细线分隔 */
.cta__mail { display: flex; align-items: flex-start; gap: 12px; max-width: 27em; margin-top: 28px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, 0.2); text-align: left; }
.cta__mail svg { width: 22px; height: 22px; flex: none; margin-top: 1px; opacity: 0.85; }
.cta__mail p { margin: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 12px; font-size: 15px; line-height: 1.5; }
.cta__mail span { opacity: 0.72; }
.cta__mail a { color: #fff; font-weight: 600; text-decoration: underline; text-decoration-color: rgba(255, 255, 255, 0.4); text-underline-offset: 4px; }
.cta__mail a:hover { text-decoration-color: #fff; }
.cta__mail small { flex-basis: 100%; font-size: 12px; opacity: 0.72; }
.qr-card { width: 216px; padding: 16px 16px 18px; border-radius: 22px; background: #fff; color: #1d1d1f; text-align: center; }
.qr { aspect-ratio: 1; display: grid; place-items: center; padding: 6px; border-radius: 12px; background: #fff; }
.qr img { width: 100%; height: 100%; object-fit: contain; }
.qr-card strong { display: block; margin-top: 14px; font-size: 15px; font-weight: 600; }
.qr-card small { display: block; font-size: 12px; color: #6e6e73; }

/* ---------- 页脚 ---------- */
.footer { background: var(--c-surface); color: var(--c-text-2); font-size: 12px; line-height: 1.6; }
.footer__top { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.8fr) minmax(0, 1.7fr); gap: 36px 28px; padding-block: 56px 40px; } /* 联系一栏较宽，地址尽量一行放下 */
.footer .logo { color: var(--c-text); }
.footer__brand p { margin-top: 14px; max-width: 26em; }
.footer .footer__h { margin: 0 0 10px; font-size: 12px; font-weight: 600; color: var(--c-text); }
.footer__brand .footer__about { margin-top: 10px; }
.footer li { margin-bottom: 8px; }
.footer a:hover { color: var(--c-text); text-decoration: underline; }
.footer__legal { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 24px; padding-block: 18px 88px; border-top: 1px solid var(--c-line); } /* 底部留白给悬浮客服按钮，避免遮挡备案信息 */
.footer__legal .beian { display: inline-flex; align-items: center; gap: 5px; }
.footer__legal .beian svg { width: 14px; height: 14px; flex: none; }
.footer__legal .langs { margin-left: auto; display: flex; flex-wrap: wrap; gap: 4px 14px; }
.footer__legal .langs a[aria-current="true"] { color: var(--c-text); font-weight: 600; }

/* ---------- 在线客服（企业微信） ---------- */
.kf-fab {
  position: fixed; right: max(20px, env(safe-area-inset-right)); bottom: max(20px, env(safe-area-inset-bottom)); z-index: 90;
  display: inline-flex; align-items: center; gap: 8px; height: 48px; padding: 0 20px 0 16px; border-radius: 24px;
  background: var(--c-nav); -webkit-backdrop-filter: saturate(180%) blur(20px); backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--c-hairline); box-shadow: 0 8px 28px rgba(0, 0, 0, 0.16);
  font-size: 15px; font-weight: 500; transition: transform 0.2s;
}
.kf-fab:hover { transform: translateY(-2px); }
.kf-fab svg { width: 22px; height: 22px; color: var(--c-brand-text); }
.kf-panel {
  position: fixed; right: max(20px, env(safe-area-inset-right)); bottom: calc(max(20px, env(safe-area-inset-bottom)) + 60px); z-index: 90;
  width: 264px; padding: 22px 20px 20px; border-radius: 24px; background: var(--c-card); text-align: center;
  border: 1px solid var(--c-hairline); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.24);
}
.kf-panel h3 { font-size: 17px; font-weight: 600; }
.kf-panel p { margin: 4px 0 14px; font-size: 13px; color: var(--c-text-2); }
.kf-panel .pill { width: 100%; margin-top: 14px; }
.kf-panel__close { position: absolute; top: 10px; right: 12px; width: 28px; height: 28px; border-radius: 50%; background: var(--c-surface); font-size: 16px; line-height: 1; color: var(--c-text-2); }

/* ---------- 平板：735–1068px（iPad 横竖屏） ---------- */
@media (max-width: 1068px) {
  .bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tile, .tile--lg { grid-column: span 1; }
  .tile--row-md { grid-column: 1 / -1; flex-direction: row; align-items: stretch; }
  .tile--row-md .tile__body { flex: 1 1 50%; padding-bottom: clamp(28px, 3.4vw, 44px); align-self: center; }
  .tile--row-md .tile__art { flex: 1 1 50%; align-self: flex-end; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stage { aspect-ratio: 16 / 10; --k: 96; }
  .g-a { left: 12.5%; }
  .footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 833px) {
  .nav__in { grid-template-columns: 1fr auto; }
  .nav__burger { display: grid; }
  /* .nav 带 backdrop-filter，会成为 fixed 子元素的包含块，所以这里用 absolute */
  .nav__links {
    position: absolute; top: 100%; left: 0; right: 0; height: calc(100vh - var(--nav-h)); height: calc(100dvh - var(--nav-h));
    flex-direction: column; gap: 0; padding: 20px var(--gutter) 40px; overflow-y: auto; background: var(--c-bg);
    font-size: 28px; font-weight: 600; opacity: 0; visibility: hidden; transform: translateY(-10px);
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  }
  .nav__links a { padding: 14px 0; border-bottom: 1px solid var(--c-surface-2); opacity: 1; }
  .nav.is-open { background: var(--c-bg); }
  .nav.is-open .nav__links { opacity: 1; visibility: visible; transform: none; }
  .nav.is-open .nav__burger span:first-child { transform: translateY(3.75px) rotate(45deg); }
  .nav.is-open .nav__burger span:last-child { transform: translateY(-3.75px) rotate(-45deg); }
  .cta__tile { grid-template-columns: minmax(0, 1fr); text-align: center; justify-items: center; }
  .offer__tile { grid-template-columns: minmax(0, 1fr); }
  .offer__card { max-width: 440px; }
  .cta__tile p.lede { margin-inline: auto; }
  .cta__mail { justify-content: center; text-align: center; }
  .cta__mail svg { display: none; }
  .cta__mail p { justify-content: center; }
}

/* ---------- 手机：≤734px ---------- */
@media (max-width: 734px) {
  .clients__list { gap: 12px; }
  .client { flex: 1 1 calc(50% - 6px); min-width: 0; max-width: calc(50% - 6px); }
  .client__lockup { gap: 8px; }
  .client .client__lockup img { max-height: 30px; }
  .client__lockup .client__name { white-space: normal; font-size: 14px; }
  .client > a, .client__box { height: 88px; padding: 16px; border-radius: 16px; }
  .client img { max-height: 48px; }
  :root { --r-tile: 22px; --r-stage: 26px; }
  .stage { aspect-ratio: 4 / 3; --k: 80; }
  .stage__glow i { filter: blur(40px); }
  .g-a { left: 18.5%; top: 9%; }
  .g-b { left: 63.5%; top: 62%; }
  .bento { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .tile--row-md { flex-direction: column; }
  .tile--row-md .tile__body { padding-bottom: 0; align-self: auto; }
  .tile--row-md .tile__art { align-self: auto; }
  .principles { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  /* 流程改为横向滑动卡片 */
  .steps {
    display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none;
    margin-inline: calc(-1 * var(--gutter)); padding-inline: var(--gutter); scroll-padding-inline: var(--gutter);
  }
  .steps::-webkit-scrollbar { display: none; }
  .step { flex: 0 0 80%; scroll-snap-align: start; }
  .cases { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .case__img { aspect-ratio: 16 / 10; }
  .faq details p { padding-right: 0; }
  .ribbon { font-size: 12px; }
  .offer__glow i { width: 80%; filter: blur(48px); }
  .footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer__legal .langs { margin-left: 0; width: 100%; }
  .kf-fab span { display: none; }
  .kf-fab { width: 48px; padding: 0; justify-content: center; }
  .nav__tools .pill { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html.js .reveal, html.js .stage .layer { opacity: 1; transform: none; }
  .layer { translate: none; }
}

/* ---------- 文档页（隐私政策等）与 404 ---------- */
.doc { padding: clamp(56px, 8vw, 104px) 0 clamp(64px, 9vw, 120px); }
.doc__in { max-width: 760px; margin-inline: auto; }
.doc .headline { margin-top: 0.3em; }
.doc__meta { margin-top: 12px; font-size: 14px; color: var(--c-text-3); }
.doc__body { margin-top: 40px; border-top: 1px solid var(--c-line); }
.doc__body h2 { margin-top: 36px; font-size: 21px; font-weight: 600; }
.doc__body p { margin-top: 10px; font-size: 16px; line-height: 1.8; color: var(--c-text-2); }
html[data-script="alpha"] .doc__body p { line-height: 1.6; }
.doc__back { display: inline-block; margin-bottom: 8px; }
.notfound { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 80px var(--gutter); }
.notfound .display { font-size: clamp(72px, 14vw, 160px); }
.notfound p { margin-top: 12px; color: var(--c-text-2); }
.notfound .hero__cta { margin-top: 28px; }

/* ---------- 各语种的排版调整 ----------
   中文、日文（data-script="cjk"）：字距略放、行高较大，标点可做视觉居中；
   英文、法文、德文、俄文、西班牙文（data-script="alpha"）：字距收紧、行高较小。
   德、法、俄、西语的单词与短语普遍更长，标题字号适当下调，正文与小标题允许按词典断字，避免窄屏溢出。 */
html[data-lang="ja"] { --font-sans: "Inter", "Noto Sans JP", "Noto Sans SC", system-ui, sans-serif; }
html[data-lang="ja"] body { line-break: strict; }
/* 日文按词组换行（Chrome 119+ 支持，其他浏览器按普通规则换行） */
html[data-lang="ja"] :is(.eyebrow, .display, .headline, .hero__sub, .sec__sub, .tile h3, .step h3, .principle h3, .faq summary, .offer__text .lede) { word-break: auto-phrase; }
html[data-lang="ja"] .eyebrow { letter-spacing: 0.08em; }

html[data-script="alpha"]:not([data-lang="en"]) .display { font-size: clamp(34px, 8.4vw, 92px); }
html[data-script="alpha"]:not([data-lang="en"]) .headline { font-size: clamp(28px, 4.6vw, 52px); }
html[data-script="alpha"]:not([data-lang="en"]) .tile h3 { font-size: clamp(22px, 2.2vw, 28px); }
/* 只在窄卡片里的小字段落断字；首屏与区块说明等居中大段文字不断字，避免出现连字符 */
html[data-script="alpha"]:not([data-lang="en"]) :is(.tile p:not(.tile__tags), .tile h3, .step p, .step h3, .principle p, .faq details p, .offer__list li, .offer__note, .doc__body p) { hyphens: auto; -webkit-hyphens: auto; }
html[data-script="alpha"] :is(h1, h2, h3, p) { overflow-wrap: break-word; }
html[data-lang="ru"] .display { letter-spacing: -0.025em; }
html[data-lang="ru"] .headline { letter-spacing: -0.02em; }
/* 俄文、德文的导航与按钮文字较长，平板尺寸下收窄间距 */
@media (max-width: 1068px) {
  html[data-script="alpha"]:not([data-lang="en"]) .nav__links { gap: 18px; }
}
/* 中文以外的语言用「CN¥」标明人民币，符号较宽，相应缩小 */
html:not([data-lang="zh"]) .offer__price .cur { font-size: 0.3em; vertical-align: 1.5em; }