    /* 暖色 token 与 App 主题、legal/ 两页保持一致。改配色只改这里。 */
    :root {
      --bg: #F5F1EA;
      --surface: #FFFDF9;
      --surface-2: #F7F1E8;
      --ink: #23201B;
      --ink-2: #3A352E;
      --muted: #736A5E;
      --accent: #AC5B36;
      --accent-ink: #9C5333;
      --accent-fg: #FFF9F4;
      --line: rgba(120, 100, 80, 0.14);
      --shadow: 0 10px 34px rgba(120, 96, 72, 0.07);
      --shadow-lg: 0 18px 50px rgba(120, 96, 72, 0.12);
      --radius: 18px;
      --radius-lg: 26px;
      --maxw: 1080px;
    }
    @media (prefers-color-scheme: dark) {
      :root {
        --bg: #17150F;
        --surface: #201D16;
        --surface-2: #272219;
        --ink: #F2ECE0;
        --ink-2: #DCD4C5;
        --muted: #9C9284;
        --accent: #D98A5F;
        --accent-ink: #E9A87F;
        --accent-fg: #1A1109;
        --line: rgba(220, 200, 170, 0.14);
        --shadow: 0 10px 34px rgba(0, 0, 0, 0.35);
        --shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.45);
      }
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
                   "Segoe UI", Roboto, "Microsoft YaHei", Helvetica, Arial, sans-serif;
      background: var(--bg);
      color: var(--ink-2);
      line-height: 1.75;
      -webkit-text-size-adjust: 100%;
      -webkit-font-smoothing: antialiased;
    }
    /* height:auto 必须有：HTML 上的 width/height 属性是给浏览器占位防抖动的，
       只写 max-width 会让 height 属性原样生效，图片被纵向拉伸。 */
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--accent-ink); }
    .wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
    .sr-only {
      position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
      overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
    }

    h1, h2, h3 { color: var(--ink); line-height: 1.3; }
    h2 { font-size: clamp(1.5rem, 3.4vw, 2.05rem); margin: 0 0 10px; letter-spacing: -0.015em; }
    .lead { color: var(--muted); margin: 0 auto 34px; max-width: 640px; font-size: 1rem; }
    section { padding: 72px 0; }
    /* 锚点跳到区块时给吸顶导航留出高度，否则标题会被盖住 */
    section[id] { scroll-margin-top: 76px; }
    .band { background: var(--surface); border-block: 1px solid var(--line); }
    .center { text-align: center; }
    .text-link { color: var(--accent-ink); font-weight: 600; font-size: 0.9rem; text-decoration: none; }
    .text-link:hover { text-decoration: underline; }
    .micro { margin: 0; color: var(--muted); font-size: 0.82rem; line-height: 1.6; }
    @media (max-width: 860px) {
      section { padding: 54px 0; }
      .lead { margin-bottom: 26px; }
    }

    /* ---------- 导航 ---------- */
    .nav {
      position: sticky; top: 0; z-index: 50;
      background: color-mix(in srgb, var(--bg) 88%, transparent);
      backdrop-filter: saturate(180%) blur(12px);
      -webkit-backdrop-filter: saturate(180%) blur(12px);
      border-bottom: 1px solid var(--line);
      padding-top: env(safe-area-inset-top, 0px);
    }
    .nav-inner { display: flex; align-items: center; gap: 16px; height: 60px; }
    .brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink);
             text-decoration: none; font-size: 1.05rem; letter-spacing: -0.01em; flex: none; }
    .brand img { width: 30px; height: 30px; border-radius: 8px; }
    .nav-links { display: flex; gap: 18px; margin-left: auto; align-items: center; }
    .nav-links a { color: var(--ink-2); text-decoration: none; font-size: 0.88rem; font-weight: 500; white-space: nowrap; }
    .nav-links a:hover { color: var(--accent-ink); }
    .nav-links a.nav-app {
      font-weight: 600; color: var(--accent-fg); background: var(--accent);
      padding: 7px 15px; border-radius: 999px;
    }
    .nav-links a.nav-app:hover { color: var(--accent-fg); box-shadow: var(--shadow); }
    .lang-select {
      font: inherit; font-size: 0.86rem; padding: 5px 8px; border-radius: 9px;
      border: 1px solid var(--line); background: var(--surface); color: var(--ink-2);
      cursor: pointer; flex: none;
    }
    @media (max-width: 960px) {
      .nav-links a:not(.nav-app) { display: none; }
      .nav-links { gap: 0; }
      .lang-select { margin-left: 12px; }
    }

    /* ---------- 首屏 ---------- */
    .hero { position: relative; padding: 56px 0 68px; overflow: hidden; }
    .hero::before {
      content: ""; position: absolute; top: -280px; right: -180px; width: 720px; height: 720px;
      background: radial-gradient(circle, color-mix(in srgb, var(--accent) 15%, transparent), transparent 65%);
      pointer-events: none;
    }
    .hero-grid {
      position: relative; display: grid;
      grid-template-columns: minmax(0, 1.06fr) minmax(330px, 0.84fr);
      gap: clamp(32px, 5vw, 64px); align-items: center;
    }
    .hero-copy { max-width: 570px; }
    .eyebrow {
      display: inline-block; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.04em;
      color: var(--accent-ink); background: var(--surface-2);
      border: 1px solid var(--line); padding: 5px 12px; border-radius: 999px; margin-bottom: 18px;
    }
    .hero h1 {
      font-size: clamp(2rem, 4.5vw, 3.15rem); margin: 0 0 18px; letter-spacing: -0.03em;
      font-weight: 800; line-height: 1.16; text-wrap: balance;
    }
    .hero h1 em { font-style: normal; color: var(--accent); }
    .hero p.hero-lead { font-size: 1.05rem; color: var(--ink-2); margin: 0 0 28px; max-width: 34em; }
    .cta-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
    .cta-row.is-center { justify-content: center; }
    .btn {
      display: inline-flex; align-items: center; gap: 8px; text-decoration: none;
      font-weight: 600; font-size: 0.97rem; padding: 12px 22px; border-radius: 999px;
      border: 1px solid transparent; transition: transform .15s ease, box-shadow .15s ease;
      line-height: 1.2;
    }
    .btn:hover { transform: translateY(-1px); }
    /* App Store badge 是苹果的原件，不改色、不加圆角、不倾斜、不动画。
       规范：屏幕上最小高度 40px，四周留白不小于 badge 高度的 1/4。
       hero 用 48px（留白 12px，靠 .cta-row 的 gap 给足），页脚用 40px。 */
    .badge-link { display: inline-flex; line-height: 0; }
    .badge-dark { display: none; }
    @media (prefers-color-scheme: dark) {
      .badge-light { display: none; }
      .badge-dark { display: inline-block; }
    }
    .appstore-badge { height: 48px; width: auto; }
    .foot-grid .badge-link { margin-top: 14px; }
    .foot-grid .appstore-badge { height: 40px; }
    /* 与 hero 的 App Store badge 同高（48px） */
    .btn-web { height: 48px; padding: 0 24px; background: var(--accent); color: var(--accent-fg); box-shadow: var(--shadow); }
    .btn-web:hover { box-shadow: var(--shadow-lg); }
    .btn-ghost { background: transparent; color: var(--ink-2); border-color: var(--line); }
    .btn-invert { height: 48px; padding: 0 24px; background: var(--accent-fg); color: var(--accent); box-shadow: var(--shadow); }
    .hero-trust {
      list-style: none; display: flex; flex-wrap: wrap; gap: 8px 20px;
      margin: 24px 0 0; padding: 0; color: var(--muted); font-size: 0.86rem;
    }
    .hero-trust li { display: flex; align-items: center; gap: 7px; }
    .hero-trust svg {
      width: 16px; height: 16px; flex: none; fill: none; stroke: var(--accent);
      stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round;
    }
    .hero-visual { justify-self: end; width: min(100%, 430px); }
    @media (max-width: 860px) {
      .hero { padding: 28px 0 46px; }
      .hero-grid { grid-template-columns: 1fr; gap: 28px; }
      /* 手机上先看到对比图，再读文案；它比任何一句话都更说明问题 */
      .hero-visual { order: -1; justify-self: center; width: min(100%, 390px); }
      .hero-copy { max-width: none; }
      .hero h1 { font-size: clamp(1.85rem, 7.4vw, 2.6rem); margin-bottom: 14px; }
      .hero p.hero-lead { font-size: 1rem; margin-bottom: 22px; }
      .hero-trust { margin-top: 18px; gap: 8px 16px; }
    }

    /* ---------- 前后对比 ----------
       原生 range 是交互层：键盘、触屏都能用，不依赖 JS 也有 50/50 的视图。
       可拖动区域只做中间一条，避免整张图吞掉页面滚动。 */
    .compare { margin: 0; }
    .compare-frame {
      position: relative; overflow: hidden; border-radius: var(--radius-lg);
      border: 1px solid var(--line); background: var(--surface-2);
      box-shadow: var(--shadow-lg); isolation: isolate;
    }
    .compare-frame > img,
    .compare-before img {
      position: absolute; inset: 0; width: 100%; height: 100%;
      object-fit: cover; object-position: center 24%;
    }
    .compare-before {
      position: absolute; inset: 0; z-index: 2;
      clip-path: inset(0 calc(100% - var(--pos, 50%)) 0 0);
    }
    .compare-tag {
      position: absolute; top: 14px; z-index: 6; padding: 4px 10px; border-radius: 999px;
      background: rgba(20, 16, 10, .55); color: #fff; font-size: .74rem; font-weight: 600;
      letter-spacing: .02em; white-space: nowrap; pointer-events: none;
      backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    }
    .compare-tag.is-before { left: 14px; }
    .compare-tag.is-after { right: 14px; background: var(--accent); color: var(--accent-fg); }
    .compare-line {
      position: absolute; top: 0; bottom: 0; left: var(--pos, 50%); width: 2px; z-index: 3;
      background: rgba(255,255,255,.92); transform: translateX(-1px);
      box-shadow: 0 0 14px rgba(0,0,0,.35);
    }
    .compare-handle {
      position: absolute; top: 50%; left: var(--pos, 50%); z-index: 4;
      width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
      transform: translate(-50%, -50%); background: #fff; color: var(--accent-ink);
      border: 1px solid rgba(0,0,0,.08); box-shadow: 0 6px 20px rgba(0,0,0,.28);
      pointer-events: none;
    }
    .compare-hint {
      position: absolute; left: 50%; bottom: 14px; z-index: 6; transform: translateX(-50%);
      display: inline-flex; align-items: center; gap: 6px; padding: 5px 11px;
      border-radius: 999px; background: rgba(20, 16, 10, .5); color: #fff;
      font-size: .74rem; white-space: nowrap; pointer-events: none;
      backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
      transition: opacity .2s ease;
    }
    .compare.is-touched .compare-hint { opacity: 0; }
    .compare-range {
      position: absolute; left: 0; right: 0; top: 50%; z-index: 5;
      width: 100%; height: 46px; margin: 0; transform: translateY(-50%);
      opacity: 0; cursor: ew-resize; touch-action: pan-y;
    }
    .compare-range:focus-visible { opacity: .35; outline: 2px solid var(--accent); outline-offset: -2px; }
    .compare-cap {
      display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px;
      margin-top: 14px; font-size: .84rem; color: var(--muted); line-height: 1.5;
    }
    .compare-cap-text { color: var(--ink-2); }
    .compare-cap-note {
      display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 999px;
      background: var(--surface-2); border: 1px solid var(--line);
      font-size: .74rem; color: var(--accent-ink); white-space: nowrap;
    }

    /* ---------- 区块标题 ---------- */
    .section-head { max-width: 700px; margin: 0 0 34px; }
    .section-head.center { margin-inline: auto; text-align: center; }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px; margin-bottom: 10px;
      color: var(--accent-ink); font-size: .78rem; font-weight: 700;
      letter-spacing: .1em; text-transform: uppercase;
    }
    .kicker::before { content: ""; width: 16px; height: 2px; border-radius: 2px; background: var(--accent); }
    .section-head .lead { margin-bottom: 0; }
    .section-more { margin: 26px auto 0; }

    /* ---------- 效果演示 ----------
       每组：形象照 + 服装 ⤳ 试穿成片。三样都摆出来才讲得清「拿什么换出了什么」，
       衣服只压在成片角落里的话，会被当成装饰而不是输入。
       横图那组用 column-span 独占一整行，挤在半宽里三格都太小。 */
    .demo-grid { columns: 2 440px; column-gap: 20px; }
    .demo-hint { text-align: center; color: var(--muted); font-size: .82rem; margin: -16px 0 20px; }
    .demo-card { break-inside: avoid; margin: 0 0 20px; padding: 10px; border-radius: var(--radius);
                 border: 1px solid var(--line); background: var(--bg); box-shadow: var(--shadow); }
    .demo-card.is-landscape { column-span: all; max-width: 900px; margin-inline: auto; }
    .demo-flow { display: grid; grid-template-columns: 1fr minmax(64px, .5fr) 1fr; gap: 8px; align-items: center; }
    .demo-pane { position: relative; aspect-ratio: var(--ar); border-radius: 12px; overflow: hidden; background: var(--surface-2); }
    .demo-pane > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .demo-label { position: absolute; top: 8px; left: 8px; padding: 2px 9px; border-radius: 999px;
                  background: rgba(20, 16, 10, .55); color: #fff; font-size: .72rem; font-weight: 600; white-space: nowrap;
                  letter-spacing: .02em; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
    .demo-pane.is-result .demo-label { background: var(--accent); color: var(--accent-fg); }
    .demo-mid { display: flex; flex-direction: column; align-items: center; gap: 8px; }
    .demo-plus { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center;
                 background: var(--accent); color: var(--accent-fg); font-weight: 800; font-size: 1.1rem; line-height: 1;
                 box-shadow: 0 4px 12px rgba(0,0,0,.18); }
    .demo-garment { position: relative; width: 100%; aspect-ratio: 3/4; border-radius: 10px; overflow: hidden;
                    background: #fff; border: 1px solid var(--line); box-shadow: 0 6px 18px rgba(0,0,0,.12); }
    .demo-garment img { width: 100%; height: 100%; object-fit: contain; }
    .demo-garment.is-photo img { object-fit: cover; }
    .demo-arrow { width: 100%; max-width: 96px; filter: drop-shadow(0 3px 6px rgba(0,0,0,.25)); }
    .demo-arrow svg { width: 100%; height: auto; overflow: visible; transform: scaleY(-1); }
    .demo-arrow .arc, .demo-arrow .head { fill: none; stroke: url(#demoArrowGrad); stroke-width: 8; stroke-linecap: round; stroke-linejoin: round; }
    .demo-arrow .glint { fill: none; stroke: #fff; stroke-width: 4.5; stroke-linecap: round; stroke-dasharray: 10 110;
                         animation: demo-glint 2.4s ease-in-out infinite; opacity: .85; }
    @keyframes demo-glint { from { stroke-dashoffset: 110; } to { stroke-dashoffset: -10; } }
    @media (prefers-reduced-motion: reduce) { .demo-arrow .glint { display: none; } }
    .demo-card figcaption { text-align: center; color: var(--muted); font-size: .86rem; padding-top: 8px; }
    .demo-note { text-align: center; color: var(--muted); font-size: .84rem; margin: 6px 0 0; }
    @media (max-width: 640px) {
      .demo-grid { columns: 1; }
      .demo-card { margin-bottom: 16px; }
      .demo-flow { grid-template-columns: 1fr 72px 1fr; gap: 6px; }
      .demo-label { font-size: .66rem; padding: 1px 7px; }
      /* 横图：上原图、中间一行「+ 衣服 ↓」、下成片 */
      .demo-card.is-landscape .demo-flow { grid-template-columns: 1fr; }
      .demo-card.is-landscape .demo-mid { flex-direction: row; justify-content: center; gap: 12px; }
      .demo-card.is-landscape .demo-garment { width: 84px; }
      .demo-card.is-landscape .demo-arrow { width: 64px; transform: rotate(90deg); }
    }

    /* 点任一张图放大看（形象照 / 衣服 / 成片）。Esc、点空白处或右上角 × 关闭 */
    #demo .demo-pane > img, #demo .demo-garment img { cursor: zoom-in; }
    #demo .demo-pane > img:focus-visible, #demo .demo-garment img:focus-visible { outline: 3px solid var(--accent); outline-offset: -3px; }
    .lightbox { position: fixed; inset: 0; z-index: 100; display: flex; flex-direction: column; align-items: center; justify-content: center;
                gap: 12px; padding: 56px 16px 24px; background: rgba(12, 10, 7, .9); cursor: zoom-out;
                opacity: 0; transition: opacity .18s ease; }
    .lightbox.is-open { opacity: 1; }
    .lightbox[hidden] { display: none; }
    .lightbox img { max-width: min(100%, 1000px); max-height: calc(100vh - 120px); width: auto; height: auto;
                    object-fit: contain; border-radius: 12px; box-shadow: 0 20px 60px rgba(0,0,0,.5); background: #fff; }
    .lightbox-cap { color: #EFE6D8; font-size: .9rem; text-align: center; max-width: 40em; }
    .lightbox-close { position: absolute; top: 12px; right: 12px; width: 40px; height: 40px; border-radius: 50%;
                      border: 1px solid rgba(255,255,255,.3); background: rgba(255,255,255,.1); color: #fff;
                      font-size: 1.5rem; line-height: 1; cursor: pointer; }
    .lightbox-close:hover { background: rgba(255,255,255,.2); }
    @media (prefers-reduced-motion: reduce) { .lightbox { transition: none; } }

    /* ---------- 场景卡 ----------
       整张图做底，问题压在图上：先让人对号入座，再点进场景页。 */
    .scene-showcase { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    @media (max-width: 960px) { .scene-showcase { grid-template-columns: repeat(2, 1fr); } }
    /* 手机上横向滑一条：两列在英文长句下会挤到溢出，竖排六张又把页面拉得很长。
       露出下一张的一半，本身就是在提示「可以滑」。 */
    @media (max-width: 640px) {
      .scene-showcase {
        display: flex; gap: 12px; padding: 4px 0 12px;
        overflow-x: auto; scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch; scrollbar-width: none;
      }
      .scene-showcase::-webkit-scrollbar { display: none; }
      .scene-tile { flex: 0 0 78%; scroll-snap-align: start; }
      .scene-tile-body { left: 14px; right: 14px; bottom: 14px; }
      .scene-tile-name { font-size: .7rem; letter-spacing: .07em; }
      .scene-tile-hook { font-size: .98rem; line-height: 1.4; margin: 5px 0 8px; }
      .scene-tile-cta { font-size: .78rem; }
      .scene-tile-arrow { top: 12px; right: 12px; width: 30px; height: 30px; font-size: .82rem; }
      .scene-tile-art::before { inset: 12px; border-radius: 16px; }
    }
    .scene-tile {
      position: relative; display: block; aspect-ratio: 3 / 4; overflow: hidden;
      border-radius: var(--radius-lg); border: 1px solid var(--line);
      background: var(--surface-2); box-shadow: var(--shadow);
      text-decoration: none; color: #fff; isolation: isolate;
    }
    .scene-tile img { width: 100%; height: 100%; object-fit: cover; object-position: center 18%; transition: transform .5s ease; }
    .scene-tile img.is-tall { object-position: center 22%; }
    .scene-tile:hover img { transform: scale(1.04); }
    .scene-tile-shade {
      position: absolute; inset: 0; z-index: 1;
      background: linear-gradient(180deg, rgba(18,14,9,0) 34%, rgba(18,14,9,.28) 58%, rgba(18,14,9,.82) 100%);
    }
    .scene-tile-body { position: absolute; left: 18px; right: 18px; bottom: 16px; z-index: 3; }
    .scene-tile-name {
      font-size: .76rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase;
      color: rgba(255,255,255,.78);
    }
    .scene-tile-hook { margin: 5px 0 10px; color: #fff; font-size: 1.1rem; line-height: 1.45; font-weight: 700; }
    .scene-tile-cta { display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,.82); font-size: .84rem; font-weight: 500; }
    .scene-tile-arrow {
      position: absolute; top: 14px; right: 14px; z-index: 3; width: 34px; height: 34px;
      display: grid; place-items: center; border-radius: 50%;
      background: rgba(255,255,255,.16); color: #fff; font-size: .95rem;
      backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
      transition: background .2s ease;
    }
    .scene-tile:hover .scene-tile-arrow { background: var(--accent); }
    .scene-tile-art {
      position: absolute; inset: 0; display: grid; place-items: center;
      background: radial-gradient(120% 80% at 50% 8%, #EBD9C6 0%, #D8B79A 46%, #B98A67 100%);
      color: rgba(255,255,255,.78);
    }
    /* 虚线框让这张空图看起来像「等你上传」，而不是一张缺图 */
    .scene-tile-art::before {
      content: ""; position: absolute; inset: 14px; border-radius: 18px;
      border: 1px dashed rgba(255,255,255,.45); pointer-events: none;
    }
    @media (prefers-color-scheme: dark) {
      .scene-tile-art { background: radial-gradient(120% 80% at 50% 8%, #4A3628 0%, #35261B 48%, #241A12 100%); color: rgba(255,255,255,.62); }
    }
    .scene-gown { width: 52%; max-width: 170px; filter: drop-shadow(0 12px 24px rgba(60,35,20,.28)); }

    /* ---------- 三步 ---------- */
    .flow { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 34px; margin: 0; padding: 0; }
    .flow-step { position: relative; }
    .flow-step:not(:last-child)::after {
      content: "→"; position: absolute; top: 24%; right: -27px;
      color: var(--accent); font-size: 1.5rem; font-weight: 700; opacity: .7;
    }
    .flow-num {
      position: absolute; top: 14px; left: 14px; z-index: 3;
      width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center;
      background: var(--accent); color: var(--accent-fg); font-weight: 800;
      box-shadow: 0 6px 16px rgba(0,0,0,.22);
    }
    .flow-shot {
      position: relative; aspect-ratio: 4 / 5; margin-bottom: 16px; overflow: hidden;
      border-radius: var(--radius-lg); border: 1px solid var(--line);
      background: var(--surface-2); box-shadow: var(--shadow);
    }
    .flow-shot img { width: 100%; height: 100%; object-fit: cover; }
    .flow-step.is-garment .flow-shot { background: #fff; border-style: dashed; border-width: 1.5px; }
    .flow-step.is-garment .flow-shot img { object-fit: contain; padding: 12%; }
    .flow-step.is-result .flow-shot {
      border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
      box-shadow: var(--shadow-lg);
    }
    .flow-chip {
      position: absolute; left: 50%; bottom: 12px; z-index: 2; transform: translateX(-50%);
      display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px;
      border-radius: 999px; background: rgba(255,255,255,.9); color: var(--accent-ink);
      font-size: .72rem; font-weight: 600; white-space: nowrap;
      box-shadow: 0 4px 12px rgba(0,0,0,.12);
    }
    .flow-tag {
      position: absolute; top: 12px; right: 12px; z-index: 2; padding: 2px 9px;
      border-radius: 999px; background: rgba(20, 16, 10, .55); color: #fff;
      font-size: .7rem; font-weight: 600; white-space: nowrap; pointer-events: none;
      backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    }
    .flow-tag.is-result { background: var(--accent); color: var(--accent-fg); }
    .flow-copy { min-width: 0; }
    .flow-step h3 { margin: 0 0 4px; font-size: 1.06rem; }
    .flow-step p { margin: 0; color: var(--muted); font-size: .93rem; line-height: 1.7; }
    .flow-cta { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-top: 36px; text-align: center; }
    @media (max-width: 860px) {
      .flow { grid-template-columns: 1fr; gap: 22px; }
      .flow-step { display: grid; grid-template-columns: 128px minmax(0, 1fr); gap: 16px; align-items: start; }
      .flow-step::after { display: none; }
      .flow-shot { margin-bottom: 0; aspect-ratio: 1 / 1; }
      .flow-num { top: 8px; left: 8px; width: 32px; height: 32px; border-radius: 10px; font-size: .9rem; }
      .flow-tag { top: 8px; right: 8px; font-size: .64rem; padding: 1px 7px; }
      .flow-chip { bottom: 8px; font-size: .66rem; padding: 3px 8px; }
      .flow-step h3 { margin-top: 2px; }
      .flow-step p { font-size: .9rem; }
    }

    /* ---------- 更多玩法 ---------- */
    .feature-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .feature {
      display: flex; flex-direction: column; overflow: hidden; text-decoration: none; color: inherit;
      background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
      box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease;
    }
    .band .feature { background: var(--bg); }
    .feature:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
    .feature-media { aspect-ratio: 4 / 5; overflow: hidden; background: var(--surface-2); }
    .feature-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
    .feature-media.is-poster img { object-position: center 42%; }
    .feature-media.is-collage { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; background: var(--line); }
    .feature-media.is-collage img { object-position: center 15%; }
    .feature-body { display: flex; flex-direction: column; gap: 6px; padding: 18px 20px 20px; }
    .feature-body h3 { margin: 0; font-size: 1.04rem; line-height: 1.4; }
    .feature-body p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.7; }
    .feature-body .text-link { margin-top: 4px; }
    @media (max-width: 860px) {
      .feature-row { grid-template-columns: 1fr; gap: 14px; }
      .feature { flex-direction: row; align-items: stretch; }
      .feature-media { width: 38%; flex: none; aspect-ratio: 1 / 1; }
      .feature-media.is-poster img { object-position: center 38%; }
      .feature-body { padding: 14px 16px; justify-content: center; }
    }

    /* ---------- 积分 ---------- */
    .packs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    @media (max-width: 860px) { .packs { grid-template-columns: repeat(2, 1fr); } }
    .pack {
      background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
      padding: 22px 18px; text-align: center; box-shadow: var(--shadow);
    }
    .band .pack { background: var(--bg); }
    .pack h3 { margin: 0 0 6px; font-size: 0.95rem; color: var(--muted); font-weight: 600; letter-spacing: .04em; }
    .pack .amt { font-size: 1.5rem; font-weight: 800; color: var(--ink); }
    .pack p { margin: 4px 0 0; font-size: 0.88rem; color: var(--muted); }
    .note { font-size: 0.85rem; color: var(--muted); text-align: center; margin: 22px auto 0; max-width: 46em; }

    /* ---------- FAQ ---------- */
    .faq-list { max-width: 760px; margin: 0 auto; }
    details {
      background: var(--surface); border: 1px solid var(--line); border-radius: 14px;
      padding: 16px 20px; margin-bottom: 12px;
    }
    .band details { background: var(--bg); }
    summary {
      cursor: pointer; font-weight: 600; color: var(--ink); font-size: 1rem;
      list-style: none; display: flex; justify-content: space-between; gap: 14px; align-items: center;
    }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; color: var(--accent); font-size: 1.3rem; font-weight: 400; flex: none; }
    details[open] summary::after { content: "−"; }
    details p { margin: 12px 0 0; color: var(--muted); font-size: 0.94rem; }
    details strong { color: var(--ink-2); }

    /* ---------- 结尾 CTA ---------- */
    .final-cta {
      position: relative; overflow: hidden; padding: 78px 0;
      background-image:
        radial-gradient(120% 130% at 12% 0%, rgba(255,255,255,.2), transparent 55%),
        linear-gradient(135deg, var(--accent), color-mix(in srgb, var(--accent) 82%, #000));
      color: var(--accent-fg);
    }
    .final-inner { max-width: 760px; text-align: center; }
    .final-cta h2 { color: var(--accent-fg); font-size: clamp(1.65rem, 3.7vw, 2.35rem); letter-spacing: -0.02em; margin: 0 0 12px; }
    .final-lead { color: var(--accent-fg); opacity: .88; margin: 0 auto 28px; max-width: 36em; }
    .final-note { display: flex; align-items: center; justify-content: center; gap: 7px; margin: 20px 0 0; font-size: .8rem; opacity: .82; }
    .final-note svg {
      width: 16px; height: 16px; flex: none; fill: none; stroke: currentColor;
      stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
    }
    .final-cta .badge-link { vertical-align: middle; }
    @media (max-width: 640px) {
      .final-cta { padding: 58px 0; }
      .final-cta .cta-row { gap: 12px; }
    }

    /* ---------- 手机底部常驻 CTA ---------- */
    .sticky-cta { display: none; }
    @media (max-width: 860px) {
      /* 只给有常驻 CTA 的页面留位置，别把 /try-on/ 的页脚也顶高 66px */
      body:has(.sticky-cta) { padding-bottom: calc(66px + env(safe-area-inset-bottom, 0px)); }
      .sticky-cta {
        display: block; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
        padding: 10px 16px calc(10px + env(safe-area-inset-bottom, 0px));
        background: color-mix(in srgb, var(--bg) 90%, transparent);
        border-top: 1px solid var(--line);
        backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
      }
      .sticky-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; max-width: 560px; margin: 0 auto; }
      .sticky-note { color: var(--muted); font-size: .76rem; line-height: 1.4; }
      .sticky-cta .btn { height: 42px; padding: 0 18px; font-size: .92rem; flex: none; }
    }

    /* ---------- 卡片网格 ---------- */
    .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
    @media (max-width: 860px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }
    .card {
      background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
      padding: 24px 22px; box-shadow: var(--shadow);
    }
    .card h3 { margin: 0 0 8px; font-size: 1.06rem; }
    .card p { margin: 0; color: var(--muted); font-size: 0.93rem; line-height: 1.7; }
    .band .card { background: var(--bg); }

    /* ---------- 页脚 ---------- */
    footer { background: var(--surface); border-top: 1px solid var(--line); padding: 48px 0 32px; }
    .foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
    @media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr; gap: 22px; } }
    .foot-grid h4 { margin: 0 0 10px; font-size: 0.86rem; color: var(--ink); letter-spacing: .04em; }
    .foot-hint { color: var(--muted); font-size: 0.82rem; margin: 0 0 6px; line-height: 1.6; }
    .foot-grid a { display: block; color: var(--ink-2); text-decoration: none; font-size: 0.92rem; margin-bottom: 6px; }
    .foot-grid a:hover { color: var(--accent-ink); }
    .foot-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
    .foot-brand img { width: 34px; height: 34px; border-radius: 9px; }
    .foot-tag { color: var(--muted); font-size: 0.9rem; margin: 0 0 10px; }
    .trademark { max-width: 52em; }
    .foot-bottom {
      margin-top: 34px; padding-top: 20px; border-top: 1px solid var(--line);
      display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between;
      color: var(--muted); font-size: 0.82rem;
      padding-bottom: env(safe-area-inset-bottom, 0px);
    }

    /* ---- 场景页 /try-on/（2026-10-23） ---- */
    .foot-scenes a { display: block; }
    .crumbs { font-size: .85rem; color: var(--muted); margin: 18px 0 0; }
    .crumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; }
    .crumbs li + li::before { content: "›"; margin-right: 6px; }
    .crumbs a { color: inherit; }
    .scene-hero { padding: 28px 0 8px; }
    .scene-hero h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); line-height: 1.25; margin: 10px 0 14px; }
    .scene-body { max-width: 780px; }
    .scene-body p, .scene-body li { line-height: 1.85; }
    .scene-body h2 { margin-top: 34px; }
    .scene-shot { max-width: 300px; margin: 18px 0; }
    .scene-shot img { width: 100%; height: auto; border-radius: 22px; box-shadow: var(--shadow); }
    .scene-shot figcaption { font-size: .82rem; color: var(--muted); margin-top: 8px; }
    .scene-caveat { font-size: .9rem; color: var(--muted); border-left: 3px solid var(--line); padding-left: 12px; }
    .scene-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin-top: 18px; }
    .scene-grid a.card { display: block; text-decoration: none; color: inherit; }
    .scene-grid a.card h3 { margin: 0 0 6px; font-size: 1.02rem; }
    .scene-grid a.card p { margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.6; }
    .grid-3 a.card { display: block; text-decoration: none; color: inherit; }
    a.card-photo { padding: 12px; }
    a.card-photo:hover h3 { color: var(--accent-ink); }
    .card-photo > img,
    .card-empty {
      width: 100%; aspect-ratio: 3 / 4; border-radius: 12px; margin: 0 0 10px;
    }
    .card-photo > img { display: block; height: auto; object-fit: cover; object-position: center; }
    .card-photo > img.cover-tall { object-position: center 22%; }
    .card-empty {
      box-sizing: border-box; display: flex; align-items: center; justify-content: center;
      text-align: center; padding: 16px;
      background: var(--bg); border: 1px solid var(--line); color: var(--ink-2);
      font-size: .92rem; line-height: 1.55;
    }
    .card-empty p { margin: 0; color: inherit; }
    .scene-photos a.card > p {
      display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    }
    .look-grid a.card { padding: 12px; }
    .look-grid a.card img { width: 100%; height: auto; border-radius: 12px; margin-bottom: 10px; aspect-ratio: 3 / 4; object-fit: cover; }
    .look-grid a.card h3 { font-size: .98rem; line-height: 1.35; }
    .look-hero { display: grid; grid-template-columns: minmax(220px, 380px) minmax(0, 1fr); gap: 32px; align-items: center; padding-top: 8px; }
    .look-hero > img { width: 100%; height: auto; border-radius: 22px; box-shadow: var(--shadow-lg); }
    .look-hero h1 { margin: 0 0 12px; }
    .look-line { font-size: 1.05rem; line-height: 1.7; margin: 0 0 20px; max-width: 36em; }
    .look-note { color: var(--muted); font-size: .9rem; margin: 16px 0 0; max-width: 36em; }
    .look-flat { display: flex; align-items: center; gap: 12px; margin-top: 22px; color: var(--muted); font-size: .9rem; }
    .look-flat img { width: 72px; height: 96px; object-fit: cover; border-radius: 12px; box-shadow: var(--shadow); }
    @media (max-width: 720px) { .look-hero { grid-template-columns: 1fr; } }
    .style-links { display: flex; flex-wrap: wrap; gap: 10px 22px; list-style: none; padding: 0; margin: 0; }
