:root {
    --ads-primary: #A87A42;          /* 橡實深咖啡：主色（品牌 / CTA / 連結 / 自有數據） */
    --ads-on-primary: #1A130C;
    --ads-secondary: #6E9C56;        /* 苔蘚綠（中間調）：點綴副色（按鈕 / live / 勾選 / 小圓點） */
    --ads-surface: #201C18;          /* 深石灰棕：主背景 */
    --ads-surface-low: #18150F;      /* 更深石棕：hero mock / footer */
    --ads-surface-container: #2B261F; /* 石棕容器：卡片 */
    --ads-surface-container-high: #38322A;
    --ads-on-surface: #E8E2D6;       /* 暖白 */
    --ads-on-surface-variant: #BBB3A4;
    --ads-on-surface-hint: #8A8170;
    --ads-outline: #8A8170;
    --ads-outline-variant: #38322A;  /* 石棕暗線 */
    --ads-error: #E08163;
    --corner-xs: 4px;
    --page-margin: 60px;
    --mono: 'Roboto Mono', monospace;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; overflow-x: clip; }
  body {
    background: var(--ads-surface);
    color: var(--ads-on-surface);
    font-family: 'Roboto', 'Noto Sans TC', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: 0.02em;
    -webkit-font-smoothing: antialiased;
  }
  /* 全站顆粒噪點：渲染質感 */
  body::before { content: ""; position: fixed; inset: 0; z-index: 9000; pointer-events: none; opacity: .05; mix-blend-mode: overlay;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
  .wrap { max-width: 1160px; margin: 0 auto; padding: 0 var(--page-margin); }
  a { color: var(--ads-primary); text-decoration: none; }
  a:hover { text-decoration: underline; text-underline-offset: 4px; }

  .eyebrow {
    font-size: 12px; font-weight: 500;
    letter-spacing: 0.28em; text-transform: uppercase;
    color: var(--ads-secondary);
  }
  .mono { font-family: var(--mono); }

  .btn {
    display: inline-block; font-size: 14px; font-weight: 500;
    letter-spacing: 0.1em; padding: 13px 28px;
    border-radius: var(--corner-xs); cursor: pointer;
    border: 1px solid transparent; transition: opacity .15s ease, border-color .15s ease;
    font-family: inherit;
  }
  .btn-primary { background: var(--ads-primary); color: var(--ads-on-primary); }
  .btn-primary:hover { opacity: .88; text-decoration: none; }
  .btn-ghost { border-color: var(--ads-outline-variant); color: var(--ads-on-surface-variant); background: transparent; }
  .btn-ghost:hover { border-color: var(--ads-primary); color: var(--ads-primary); text-decoration: none; }

  /* ── Nav ── */
  header { position: sticky; top: 0; z-index: 50; padding: 14px 0; }
  /* 浮動膠囊式導覽列：圓角、半透明玻璃、細邊框 */
  .nav {
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
    padding: 9px 10px 9px 22px;
    border-radius: 16px;
    background: rgba(40,36,31,.6);
    border: 1px solid rgba(255,255,255,.09);
    -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    box-shadow: 0 14px 36px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.05);
  }
  .brand { display: flex; align-items: center; gap: 9px; }
  .acorn { flex: none; font-size: 20px; line-height: 1; }
  .brand-name { font-size: 19px; font-weight: 600; letter-spacing: .01em; color: var(--ads-on-surface); }
  .brand-by { font-size: 10px; letter-spacing: .22em; color: var(--ads-on-surface-hint); text-transform: uppercase; }
  .nav-links { display: flex; align-items: center; gap: 28px; }
  .nav-links a { font-size: 14px; color: var(--ads-on-surface-variant); }
  .nav-links a:hover { color: var(--ads-primary); text-decoration: none; }
  .nav .btn { padding: 9px 20px; border-radius: 10px; }

  /* Language switcher: globe + native-language dropdown, visible at all widths */
  .lang-switch { position: relative; flex: none; }
  .lang-btn { display: inline-flex; align-items: center; gap: 7px; padding: 8px 11px; border-radius: 10px; border: 1px solid var(--ads-outline-variant); background: transparent; color: var(--ads-on-surface-variant); font-family: inherit; font-size: 12.5px; font-weight: 500; letter-spacing: .06em; cursor: pointer; transition: border-color .15s ease, color .15s ease; }
  .lang-btn:hover, .lang-btn[aria-expanded="true"] { border-color: var(--ads-primary); color: var(--ads-primary); }
  .lang-btn .globe { width: 14px; height: 14px; flex: none; }
  .lang-btn .caret { width: 9px; height: 6px; flex: none; transition: transform .15s ease; }
  .lang-btn[aria-expanded="true"] .caret { transform: rotate(180deg); }
  .lang-menu { position: absolute; right: 0; top: calc(100% + 10px); min-width: 168px; margin: 0; padding: 6px; list-style: none; background: rgba(40,36,31,.94); border: 1px solid rgba(255,255,255,.09); border-radius: 12px; -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); box-shadow: 0 14px 36px rgba(0,0,0,.34); z-index: 60; }
  .lang-menu a { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 9px 12px; border-radius: 8px; font-size: 13.5px; color: var(--ads-on-surface-variant); white-space: nowrap; }
  .lang-menu a:hover { background: rgba(255,255,255,.06); color: var(--ads-on-surface); text-decoration: none; }
  .lang-menu a[aria-current="true"] { color: var(--ads-on-surface); }
  .lang-menu a[aria-current="true"]::after { content: "\2713"; color: var(--ads-secondary); font-size: 12px; }

  /* ── Hero ── */
  .hero { padding: 40px 0 0; position: relative; overflow: hidden; }

  /* Side Rays：清晨薄霧中陽光自右上角灑落（WebGL；含 CSS 後備光暈） */
  .glow-field { position: absolute; top: 0; left: 0; right: 0; height: 820px; pointer-events: none; z-index: 0; overflow: hidden;
    background: radial-gradient(120% 90% at 88% -8%, rgba(168,122,66,.18), rgba(110,156,86,.04) 40%, rgba(168,122,66,0) 62%); }
  .side-rays { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
  @media (max-width: 760px) { .glow-field { height: 620px; } }
  /* 森林螢火蟲：霧濛濛瀰漫、閃爍的綠像素 */
  .firefly-field { position: absolute; inset: 0; pointer-events: none; z-index: 1; overflow: hidden; }
  .ff { position: absolute; background: #7fb061; opacity: 0; animation: ff-tw var(--d,4s) ease-in-out infinite; }
  @keyframes ff-tw { 0%,100% { opacity: 0; } 42%,58% { opacity: .9; } }
  @media (prefers-reduced-motion: reduce) { .ff { animation: none; opacity: .42; } }

  .hero-inner { position: relative; z-index: 2; text-align: center; max-width: 880px; margin: 0 auto; }

  /* Hero 兩欄：左文字、右橡實 */
  .hero-top { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; gap: 32px; align-items: center; min-height: 440px; }
  .hero-copy { text-align: left; }
  .hero-top .hero-copy h1 { margin-top: 8px; font-size: clamp(30px, 3.2vw, 42px); line-height: 1.18; }
  .hero-copy .hero-sub { margin: 0 0 36px; max-width: 30em; }
  .hero-copy .hero-cta { justify-content: flex-start; margin-bottom: 0; }
  /* 主標引擎名：打字機效果（逐字打出/刪除 + 閃爍游標） */
  .engine-type { display: inline-flex; align-items: center; gap: 6px; vertical-align: -.12em; white-space: nowrap; font-weight: 500; color: var(--ads-primary); }
  .tt-logo { display: inline-flex; align-items: center; }
  .tt-logo:empty { display: none; }
  .tt-logo svg { width: .92em; height: .92em; display: block; }
  .tt-text.grad { -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
  .tt-text.g-gem { background-image: linear-gradient(90deg,#5B8DEF,#9168C0,#E0707F); }
  .tt-text.g-goog { background-image: linear-gradient(90deg,#4285F4,#34A853,#FBBC05,#EA4335); }
  .engine-type .tt-cursor { display: inline-block; margin-left: 1px; font-weight: 400; color: #fff; animation: tt-blink 1s ease-in-out infinite; }
  @keyframes tt-blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }
  .visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
  @media (prefers-reduced-motion: reduce) { .engine-type .tt-cursor { animation: none; } }

  /* 散落地面的抽象橡實場景（漸層球體、grain 質感、不漂浮） */
  .acorn-stage { position: relative; z-index: 1; height: 480px; display: flex; align-items: center; justify-content: center; }
  .acorn-render { position: relative; width: 440px; max-width: 100%; height: 460px; }
  .acorn-render.sm { transform: scale(.92); }
  .ar-scene { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; }
  .ar-px { animation: ar-tw 3.2s ease-in-out infinite; }
  .ar-px.b { animation-delay: 1s; } .ar-px.c { animation-delay: 2s; }
  @keyframes ar-tw { 0%,100% { opacity: .3; } 50% { opacity: .92; } }
  /* 兩顆像果由左向右依序滾入，撞到旁邊那顆，被撞的以底部為支點晃動 */
  .ar-roll-a, .ar-roll-b { transform-box: fill-box; transform-origin: 50% 50%; }
  .ar-hit-a, .ar-hit-b { transform-box: fill-box; transform-origin: 50% 94%; }
  .ar-roll-a { animation: ar-rolla 10s cubic-bezier(.32,0,.36,1) infinite; }
  .ar-roll-b { animation: ar-rollb 10s cubic-bezier(.32,0,.36,1) infinite; }
  .ar-hit-a { animation: ar-hita 10s ease-out infinite; }
  .ar-hit-b { animation: ar-hitb 10s ease-out infinite; }
  @keyframes ar-rolla {
    0% { transform: translateX(-152px) rotate(0deg); opacity: 0; }
    5% { opacity: 1; }
    35% { transform: translateX(0) rotate(720deg); }
    38% { transform: translateX(4px) rotate(723deg); }
    42%,100% { transform: translateX(0) rotate(720deg); opacity: 1; }
  }
  @keyframes ar-hita {
    0%,35% { transform: rotate(0deg); }
    38% { transform: rotate(7deg); }
    41% { transform: rotate(-5deg); }
    44% { transform: rotate(3deg); }
    47% { transform: rotate(-1.5deg); }
    50%,100% { transform: rotate(0deg); }
  }
  @keyframes ar-rollb {
    0%,50% { transform: translateX(-68px) rotate(0deg); opacity: 0; }
    55% { opacity: 1; }
    85% { transform: translateX(0) rotate(360deg); }
    88% { transform: translateX(4px) rotate(363deg); }
    92%,100% { transform: translateX(0) rotate(360deg); opacity: 1; }
  }
  @keyframes ar-hitb {
    0%,85% { transform: rotate(0deg); }
    88% { transform: rotate(7deg); }
    91% { transform: rotate(-5deg); }
    94% { transform: rotate(3deg); }
    97% { transform: rotate(-1.5deg); }
    100% { transform: rotate(0deg); }
  }
  @media (prefers-reduced-motion: reduce) { .ar-px, .ar-roll-a, .ar-roll-b, .ar-hit-a, .ar-hit-b { animation: none; } }
  .hero h1 { font-size: 52px; line-height: 64px; font-weight: 600; margin: 26px 0 22px; letter-spacing: .01em; }
  .hero h1 .accent { color: var(--ads-primary); }
  .hero-sub { font-size: 18px; line-height: 30px; color: var(--ads-on-surface-variant); max-width: 38em; margin: 0 auto 36px; }
  .hero-cta { display: flex; gap: 16px; justify-content: center; margin-bottom: 44px; }
  .platforms { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
  .chip {
    font-family: var(--mono); font-size: 12px; letter-spacing: .08em;
    color: var(--ads-on-surface-variant);
    border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs);
    padding: 7px 14px; display: inline-flex; align-items: center; gap: 8px;
  }
  .chip i { width: 6px; height: 6px; background: var(--ads-primary); border-radius: 50%; display: inline-block; }
  .platforms-label { font-size: 11px; letter-spacing: .25em; text-transform: uppercase; color: var(--ads-on-surface-hint); margin-bottom: 14px; }

  /* ── Ask flow（消費者問 AI → 帶到 dashboard）── */
  .ask-flow { position: relative; z-index: 2; margin-top: 56px; }
  .ask-title { text-align: center; font-size: 30px; line-height: 40px; font-weight: 600; color: var(--ads-on-surface); margin: 0 auto 30px; max-width: 22em; }
  @media (max-width: 760px) { .ask-title { font-size: 23px; line-height: 32px; margin-bottom: 22px; } }
  .ask-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 1180px; margin: 0 auto; }
  .ask-card { background: #1b1916; border: 1px solid rgba(255,255,255,.08); border-radius: 14px; overflow: hidden; text-align: left; box-shadow: 0 18px 50px rgba(0,0,0,.32); display: flex; flex-direction: column; }
  .ask-card .ask-body { flex: 1 1 auto; }
  .ask-card .ask-foot { margin-top: auto; }
  .ask-head { display: flex; align-items: center; gap: 8px; padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,.06); }
  .ask-logo { width: 22px; height: 22px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex: none; }
  .ask-logo svg { width: 16px; height: 16px; display: block; }
  .ask-logo.gpt { background: #fff; color: #000; }
  .ask-engine { font-size: 13.5px; font-weight: 600; color: var(--ads-on-surface); }
  .ask-engine .mdl { font-size: 11px; font-weight: 500; color: var(--ads-on-surface-hint); margin-left: 5px; }
  .ask-body { padding: 15px; display: flex; flex-direction: column; gap: 12px; min-height: 150px; }
  .ask-msg { display: flex; gap: 9px; align-items: flex-start; }
  .ask-msg.user { justify-content: flex-end; }
  .ask-av { width: 26px; height: 26px; border-radius: 50%; flex: none; display: flex; align-items: center; justify-content: center; }
  .ask-av svg { width: 15px; height: 15px; display: block; }
  .ask-msg.user .ask-av { background: rgba(168,122,66,.18); color: var(--ads-primary); order: 2; }
  .ask-bubble { background: #2c2925; border-radius: 13px; padding: 7px 12px; font-size: 13.5px; line-height: 21px; color: var(--ads-on-surface); max-width: 88%; }
  .ask-msg.bot .ask-av { background: #fff; color: #000; }
  .ask-msg.bot.gem .ask-av { background: transparent; }
  .ask-msg.bot .ask-bubble { background: transparent; padding: 4px 0 0; color: var(--ads-on-surface-variant); line-height: 24px; max-width: 100%; }
  .ask-bubble .you { color: var(--ads-primary); font-weight: 600; }
  .ask-bubble .typing { display: inline-block; width: 7px; height: 15px; vertical-align: -2px; background: var(--ads-on-surface-hint); margin-left: 2px; animation: ask-blink 1.1s step-end infinite; }
  @keyframes ask-blink { 0%,100%{opacity:1} 50%{opacity:0} }
  .acorn { font-size: 14px; }
  .ask-bubble .g-list { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
  .ask-bubble .g-list > span { display: block; font-size: 13px; line-height: 20px; }
  .ask-bubble .g-list b { color: var(--ads-on-surface); font-weight: 600; margin-right: 5px; }
  .g-search { display: flex; align-items: center; gap: 8px; border: 1px solid rgba(255,255,255,.12); border-radius: 999px; padding: 8px 13px; font-size: 13px; color: var(--ads-on-surface); }
  .g-search svg { width: 14px; height: 14px; flex: none; color: var(--ads-on-surface-hint); }
  .g-ov { position: relative; display: flex; flex-direction: column; gap: 9px; padding: 13px 13px 13px 16px; border-radius: 12px; background: linear-gradient(180deg, rgba(66,133,244,.06), rgba(52,168,83,.04)); }
  .g-ov::before { content: ""; position: absolute; left: 0; top: 12px; bottom: 12px; width: 3px; border-radius: 3px; background: linear-gradient(#4285F4, #34A853, #FBBC05, #EA4335); }
  .g-ov-label { display: flex; align-items: center; gap: 7px; font-size: 11.5px; font-weight: 600; color: var(--ads-on-surface-variant); }
  .g-ov-label svg { width: 15px; height: 15px; }
  .g-ov p { margin: 0; font-size: 13.5px; line-height: 23px; color: var(--ads-on-surface-variant); }
  .g-src { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 2px; }
  .g-src .chip2 { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; color: var(--ads-on-surface-hint); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.07); border-radius: 7px; padding: 4px 9px; }
  .g-src .chip2 svg { width: 11px; height: 11px; flex: none; }
  .ask-input { margin: 2px 16px 14px; border: 1px solid rgba(255,255,255,.1); border-radius: 999px; padding: 8px 8px 8px 15px; display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--ads-on-surface-hint); }
  .ask-input .send { width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex: none; }
  .ask-input .send svg { width: 13px; height: 13px; }
  .ask-input.gpt .send { background: #fff; color: #000; }
  .ask-input.gem .send { background: var(--ads-on-surface-hint); color: #1b1916; }
  .ask-foot { display: flex; align-items: center; gap: 9px; padding: 10px 16px; border-top: 1px solid rgba(255,255,255,.06); background: rgba(0,0,0,.16); }
  .ask-foot .src { font-size: 10px; letter-spacing: .14em; text-transform: uppercase; color: var(--ads-on-surface-hint); }
  .ask-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; font-weight: 600; padding: 4px 11px; border-radius: 999px; margin-left: auto; }
  .ask-tag .ic { font-size: 11px; line-height: 1; }
  .ask-tag.cited { color: var(--ads-secondary); background: rgba(110,156,86,.14); }
  .ask-tag.missing { color: var(--ads-on-surface-hint); background: rgba(255,255,255,.05); }
  /* 擬答中（thinking）指示 */
  .ask-think { display: none; align-items: center; padding: 2px 0 4px; }
  .g-think { display: none; flex-direction: column; gap: 9px; padding: 4px 0 2px; }
  .ask-dots { display: inline-flex; gap: 5px; align-items: center; }
  .ask-dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--ads-on-surface-hint); animation: ask-dot 1.15s infinite ease-in-out; }
  .ask-dots i:nth-child(2) { animation-delay: .16s; }
  .ask-dots i:nth-child(3) { animation-delay: .32s; }
  @keyframes ask-dot { 0%,65%,100% { opacity: .25; transform: translateY(0); } 32% { opacity: 1; transform: translateY(-3px); } }
  .ask-bridge { display: flex; flex-direction: column; align-items: center; gap: 14px; margin: 44px 0 4px; }
  .ask-bridge .txt { font-size: 24px; line-height: 36px; font-weight: 500; color: var(--ads-on-surface); text-align: center; max-width: 22em; letter-spacing: -0.01em; }
  .ask-bridge .txt b { color: var(--ads-primary); font-weight: 700; }
  @media (max-width: 760px) { .ask-bridge .txt { font-size: 19px; line-height: 30px; } }
  .ask-bridge .arrow { width: 1px; height: 30px; background: linear-gradient(var(--ads-primary), rgba(168,122,66,0)); position: relative; }
  .ask-bridge .arrow::after { content: ""; position: absolute; left: 50%; bottom: -1px; width: 7px; height: 7px; border-right: 1px solid var(--ads-primary); border-bottom: 1px solid var(--ads-primary); transform: translateX(-50%) rotate(45deg); opacity: .8; }
  @media (max-width: 1000px) { .ask-row { grid-template-columns: 1fr; gap: 16px; max-width: 460px; } .ask-flow { margin-top: 40px; } }

  /* ── Console（hero 主視覺：完整產品 mock）── */
  .console-wrap { position: relative; z-index: 2; margin-top: 20px; padding-bottom: 116px; }
  .console-wrap::before { content: ""; position: absolute; left: 50%; top: -54px; width: 780px; max-width: 92%; height: 280px; transform: translateX(-50%); background: radial-gradient(ellipse, rgba(168,122,66,.22), rgba(168,122,66,0) 70%); filter: blur(44px); pointer-events: none; z-index: -1; }
  .console {
    border: 1px solid var(--ads-outline-variant);
    border-radius: var(--corner-xs);
    background: var(--ads-surface-low);
    box-shadow: 0 2px 3px rgba(0,0,0,.3), 0 12px 40px 8px rgba(0,0,0,.35);
    overflow: hidden;
    text-align: left;
  }
  .console-bar {
    display: flex; align-items: center; gap: 14px;
    padding: 12px 18px; border-bottom: 1px solid var(--ads-outline-variant);
    background: var(--ads-surface-container);
  }
  .console-dots { display: flex; gap: 6px; }
  .console-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--ads-outline-variant); }
  .console-url {
    font-family: var(--mono); font-size: 12px; color: var(--ads-on-surface-hint);
    border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs);
    padding: 5px 14px; letter-spacing: .05em;
  }
  .console-live {
    margin-left: auto; font-family: var(--mono); font-size: 11px; letter-spacing: .15em;
    color: var(--ads-secondary); display: flex; align-items: center; gap: 8px;
  }
  .console-live i { width: 7px; height: 7px; border-radius: 50%; background: var(--ads-secondary); animation: pulse 2s ease infinite; }
  @keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

  .console-body { display: grid; grid-template-columns: 200px 1fr; min-height: 520px; }
  .console-side {
    border-right: 1px solid var(--ads-outline-variant);
    padding: 20px 0; background: var(--ads-surface-low);
  }
  .side-item {
    font-size: 13px; color: var(--ads-on-surface-hint);
    padding: 11px 22px; display: flex; align-items: center; gap: 10px;
    border-left: 2px solid transparent;
  }
  .side-item.active { color: var(--ads-on-surface); border-left-color: var(--ads-primary); background: var(--ads-surface-container); }
  .side-item .dot { width: 5px; height: 5px; background: currentColor; border-radius: 50%; opacity: .6; }
  .console-main { padding: 24px 28px; background: var(--ads-surface); }

  .ticker {
    font-family: var(--mono); font-size: 12.5px; line-height: 1.7;
    border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs);
    padding: 12px 16px; margin-bottom: 22px; color: var(--ads-on-surface-variant);
    min-height: 66px;
  }
  .ticker .t-label { color: var(--ads-primary); letter-spacing: .12em; }
  .ticker .cursor { display: inline-block; width: 7px; height: 14px; background: var(--ads-primary); vertical-align: -2px; animation: pulse 1s steps(2) infinite; }

  .kpis { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-bottom: 24px; }
  .kpi { border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); padding: 14px 16px; }
  .kpi .k-label { font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--ads-on-surface-hint); }
  .kpi .k-val { font-family: var(--mono); font-size: 26px; margin-top: 8px; }
  .kpi .k-sub { font-family: var(--mono); font-size: 11px; color: var(--ads-primary); margin-top: 4px; }

  .panel-label { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--ads-on-surface-hint); margin-bottom: 12px; }
  .con-eyebrow { display: flex; align-items: center; gap: 12px; margin: 20px 0 13px; }
  .ce-num { font-family: var(--mono); font-size: 12px; color: var(--ads-primary); letter-spacing: .12em; }
  .ce-title { font-size: 13px; color: var(--ads-on-surface); font-weight: 500; white-space: nowrap; }
  .ce-rule { flex: 1; height: 1px; background: var(--ads-outline-variant); }
  .con-legend { display: flex; align-items: center; gap: 18px; margin-bottom: 12px; font-size: 11px; color: var(--ads-on-surface-hint); }
  .con-legend span { display: inline-flex; align-items: center; gap: 7px; }
  .con-legend i { width: 14px; height: 3px; border-radius: 2px; display: inline-block; }
  .con-legend em { font-style: normal; margin-left: auto; letter-spacing: .04em; }
  .pmatrix { border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); overflow-x: auto; }
  .pm-head, .pm-row { display: grid; grid-template-columns: 1.15fr repeat(5, 1fr); align-items: center; min-width: 560px; }
  .pm-head { background: rgba(133,133,133,.06); padding: 10px 14px; }
  .pm-row { padding: 11px 14px; border-top: 1px solid var(--ads-outline-variant); }
  .pm-cat { font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--ads-on-surface-hint); }
  .pm-eng { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-size: 11px; color: var(--ads-on-surface-variant); }
  .pm-eng i { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
  .pm-name { font-size: 13px; color: var(--ads-on-surface); }
  .pm-cell { text-align: center; line-height: 1.4; }
  .pm-cell b { display: block; font-size: 14px; font-weight: 600; color: var(--ads-primary); }
  .pm-cell em { font-style: normal; font-family: var(--mono); font-size: 10px; color: var(--ads-on-surface-hint); }
  .pm-cell.muted b { color: var(--ads-on-surface-hint); }
  .bars { display: grid; gap: 10px; margin-top: 22px; }
  .bar-row { display: grid; grid-template-columns: 64px 1fr 56px; gap: 14px; align-items: center; font-size: 12.5px; }
  .bar-row .b-label { color: var(--ads-on-surface-variant); }
  .bar-track { height: 7px; background: var(--ads-surface-container); border-radius: var(--corner-xs); overflow: hidden; }
  .bar-fill { height: 100%; background: var(--ads-outline); width: 0; transition: width 1.1s cubic-bezier(.2,.7,.2,1); }
  .bar-fill.owned { background: var(--ads-primary); }
  .bar-row .b-val { font-family: var(--mono); font-size: 12px; color: var(--ads-on-surface-hint); text-align: right; }

  /* ── Logo loop（合作夥伴跑馬燈） ── */
  .logos { border-top: 1px solid var(--ads-outline-variant); border-bottom: 1px solid var(--ads-outline-variant); background: var(--ads-surface-low); padding: 30px 0; overflow: hidden; }
  .logos-lead { text-align: center; font-size: 11px; letter-spacing: .25em; text-transform: uppercase; color: var(--ads-on-surface-hint); margin-bottom: 22px; }
  .logo-loop { position: relative; overflow: hidden;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
  .logo-track { display: flex; width: max-content; animation: logo-scroll 36s linear infinite; }
  .logo-loop:hover .logo-track { animation-play-state: paused; }
  .logo-item { flex: none; display: flex; align-items: center; padding: 0 38px; font-size: 20px; font-weight: 600; letter-spacing: .02em; color: var(--ads-on-surface-hint); opacity: .55; white-space: nowrap; transition: color .25s ease, opacity .25s ease; }
  .logo-item:hover { color: var(--ads-on-surface); opacity: 1; }
  .logo-item .lg { width: 24px; height: 24px; margin-right: 11px; flex: none; }
  @keyframes logo-scroll { to { transform: translateX(-50%); } }
  @media (prefers-reduced-motion: reduce) { .logo-track { animation: none; } }

  /* ── Stat band ── */
  .stats { border-top: 1px solid var(--ads-outline-variant); border-bottom: 1px solid var(--ads-outline-variant); background: var(--ads-surface-low); }
  .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
  .stat { padding: 44px 28px; border-left: 1px solid var(--ads-outline-variant); }
  .stat:first-child { border-left: none; }
  .stat .s-val { font-family: var(--mono); font-size: 36px; line-height: 1.1; color: var(--ads-on-surface); }
  .stat .s-val em { font-style: normal; color: var(--ads-primary); }
  .stat .s-label { font-size: 13px; color: var(--ads-on-surface-variant); margin-top: 10px; line-height: 22px; }
  .stat .s-src { font-size: 11px; color: var(--ads-on-surface-hint); margin-top: 6px; font-family: var(--mono); letter-spacing: .05em; }

  /* ── 段落系統：大號序號 + 細線 ── */
  .section { padding: 104px 0; }
  #story { padding-bottom: 40px; }
  #faq { padding-top: 56px; }
  /* ── Why donguri（價值數字） ── */
  .why { background: var(--ads-surface-low); border-top: 1px solid var(--ads-outline-variant); border-bottom: 1px solid var(--ads-outline-variant); }
  .why-head { text-align: center; max-width: 40em; margin: 0 auto 46px; }
  .why-head h2 { font-size: 34px; line-height: 44px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 14px; }
  .why-head p { font-size: 16px; line-height: 28px; color: var(--ads-on-surface-variant); }
  .why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .why-card { padding: 26px 26px 24px; border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); background: var(--ads-surface); display: flex; flex-direction: column; gap: 7px; transition: border-color .25s ease, transform .25s ease; }
  .why-card:hover { border-color: rgba(186,153,114,.5); transform: translateY(-2px); }
  .wc-cap { font-size: 13.5px; line-height: 20px; color: var(--ads-on-surface); font-weight: 600; }
  .wc-num { font-size: 42px; line-height: 1.04; font-weight: 700; color: var(--ads-primary); letter-spacing: -0.01em; }
  .wc-sub { font-size: 12.5px; line-height: 19px; color: var(--ads-on-surface-variant); }
  .why-src { text-align: center; font-size: 12px; line-height: 20px; color: var(--ads-on-surface-hint); margin-top: 28px; }
  @media (max-width: 880px) { .why-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 560px) { .why-grid { grid-template-columns: 1fr; } .why-head h2 { font-size: 26px; line-height: 36px; } }
  /* ── SEO → GEO/AEO 品類 ── */
  .geo-head { text-align: center; max-width: 40em; margin: 0 auto 46px; }
  .geo-head h2 { font-size: 34px; line-height: 46px; font-weight: 700; letter-spacing: -0.01em; margin: 14px 0 18px; }
  .geo-head > p { font-size: 16px; line-height: 28px; color: var(--ads-on-surface-variant); max-width: 40em; margin: 0 auto; }
  .geo-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; max-width: 860px; margin: 0 auto; }
  .geo-card { position: relative; padding: 30px 30px 28px; border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); background: var(--ads-surface-low); }
  .geo-card.now { border-color: rgba(186,153,114,.55); background: var(--ads-surface); box-shadow: 0 24px 64px -22px rgba(168,122,66,.32); }
  .geo-tag { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ads-on-surface-hint); }
  .geo-card.now .geo-tag { color: var(--ads-primary); }
  .geo-card h3 { font-size: 22px; font-weight: 700; margin: 10px 0 20px; }
  .geo-rows { display: grid; gap: 0; }
  .geo-rows > div { display: grid; grid-template-columns: 68px 1fr; gap: 14px; align-items: baseline; padding: 14px 0; border-top: 1px solid var(--ads-outline-variant); }
  .geo-rows > div:first-child { border-top: none; padding-top: 2px; }
  .geo-rows dt { font-size: 13px; color: var(--ads-on-surface-hint); }
  .geo-rows dd { font-size: 15px; line-height: 22px; color: var(--ads-on-surface); margin: 0; }
  .geo-close { text-align: center; max-width: 40em; margin: 40px auto 0; font-size: 16px; line-height: 28px; color: var(--ads-on-surface-variant); }
  .geo-close b { color: var(--ads-primary); font-weight: 700; }
  @media (max-width: 720px) { .geo-compare { grid-template-columns: 1fr; } .geo-head h2 { font-size: 26px; line-height: 38px; } .geo-head h2 br { display: none; } }
  /* ── 方案 Pricing ── */
  .pricing-head { text-align: center; max-width: 40em; margin: 0 auto 48px; }
  .pricing-head h2 { font-size: 34px; line-height: 46px; font-weight: 700; letter-spacing: -0.01em; margin: 14px 0 14px; }
  .pricing-head > p { font-size: 16px; line-height: 28px; color: var(--ads-on-surface-variant); }
  .pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; max-width: 1000px; margin: 0 auto; }
  .price-card { position: relative; display: flex; flex-direction: column; padding: 30px 24px; border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); background: var(--ads-surface-low); }
  .price-card.pop { border-color: rgba(186,153,114,.6); background: var(--ads-surface); box-shadow: 0 24px 64px -22px rgba(168,122,66,.34); }
  .price-badge { position: absolute; top: -11px; left: 50%; transform: translateX(-50%); background: var(--ads-primary); color: #191512; font-size: 11px; font-weight: 700; letter-spacing: .06em; padding: 4px 12px; border-radius: 999px; white-space: nowrap; }
  .price-name { font-size: 16px; font-weight: 700; color: var(--ads-on-surface); }
  .price-amt { margin: 12px 0 4px; font-weight: 700; letter-spacing: -0.02em; color: var(--ads-on-surface); line-height: 1; }
  .price-amt .cur { font-size: 15px; font-weight: 600; color: var(--ads-on-surface-variant); margin-right: 3px; }
  .price-amt .num { font-size: 34px; }
  .price-amt .per { font-size: 13px; font-weight: 500; color: var(--ads-on-surface-hint); margin-left: 3px; }
  .price-amt.custom .num { font-size: 26px; }
  .price-for { font-size: 12.5px; line-height: 18px; color: var(--ads-on-surface-variant); min-height: 36px; margin: 8px 0 20px; }
  .price-cta { display: block; text-align: center; padding: 11px 12px; border-radius: var(--corner-xs); font-size: 14px; font-weight: 600; border: 1px solid var(--ads-outline); color: var(--ads-on-surface); transition: background .2s ease, border-color .2s ease; }
  .price-cta:hover { border-color: var(--ads-primary); text-decoration: none; }
  .price-card.pop .price-cta { background: var(--ads-primary); border-color: var(--ads-primary); color: #191512; }
  .price-card.pop .price-cta:hover { filter: brightness(1.06); }
  .price-feats { list-style: none; margin: 24px 0 0; padding: 24px 0 0; border-top: 1px solid var(--ads-outline-variant); display: grid; gap: 14px; }
  .price-feats li { display: grid; grid-template-columns: 17px 1fr; gap: 10px; font-size: 13.5px; line-height: 20px; color: var(--ads-on-surface-variant); }
  .price-feats li svg { width: 15px; height: 15px; margin-top: 3px; color: var(--ads-primary); }
  .price-feats li b { color: var(--ads-on-surface); font-weight: 600; }
  .price-engines { grid-template-columns: 17px 1fr; align-items: center; }
  .price-engines .eng-row { display: flex; gap: 9px; }
  .price-engines .eng-row svg { width: 18px; height: 18px; margin: 0; color: var(--ads-on-surface-variant); }
  @media (max-width: 820px) { .pricing-grid { grid-template-columns: 1fr; max-width: 420px; } }
  @media (max-width: 560px) { .pricing-head h2 { font-size: 26px; line-height: 36px; } }
  .advisory { max-width: 1000px; margin: 22px auto 0; border: 1px solid rgba(186,153,114,.35); border-radius: var(--corner-xs); background: var(--ads-surface-low); padding: 28px 30px; }
  .advisory-eyebrow { font-size: 11px; letter-spacing: .18em; text-transform: uppercase; color: var(--ads-primary); }
  .advisory h3 { font-size: 20px; font-weight: 700; color: var(--ads-on-surface); margin: 6px 0; }
  .advisory > p { font-size: 14px; line-height: 22px; color: var(--ads-on-surface-variant); margin: 6px 0 22px; max-width: 52em; }
  .advisory-items { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
  .adv-item { border-top: 1px solid var(--ads-outline-variant); padding-top: 16px; }
  .adv-name { display: block; font-size: 15px; font-weight: 600; color: var(--ads-on-surface); }
  .adv-price { display: block; font-size: 18px; font-weight: 700; color: var(--ads-primary); margin: 6px 0 8px; }
  .adv-price em { font-style: normal; font-size: 12px; font-weight: 400; color: var(--ads-on-surface-hint); margin-left: 4px; }
  .adv-item p { font-size: 13px; line-height: 20px; color: var(--ads-on-surface-variant); margin: 0; }
  .advisory-cta { display: inline-block; margin-top: 22px; padding: 11px 24px; border-radius: var(--corner-xs); font-size: 14px; font-weight: 600; border: 1px solid var(--ads-primary); color: var(--ads-primary); transition: background .2s ease, color .2s ease; }
  .advisory-cta:hover { background: var(--ads-primary); color: #191512; text-decoration: none; }
  @media (max-width: 820px) { .advisory-items { grid-template-columns: 1fr; } }
  /* ── Ask-flow 示意標註 + 品牌遮罩 ── */
  .ask-note { text-align: center; font-size: 13px; line-height: 20px; color: var(--ads-on-surface-hint); margin: -6px auto 26px; max-width: 30em; }
  .brand-mask { display: inline-block; border-radius: 3px; padding: 0 .15em; background: rgba(255,255,255,.16); color: transparent; user-select: none; }
  /* ── Hero Trusted by ── */
  .hero-trust { margin-top: 30px; display: flex; flex-direction: column; gap: 10px; }
  .hero-trust .ht-label { font-size: 12px; letter-spacing: .1em; color: var(--ads-on-surface-hint); }
  .hero-trust .ht-names { display: flex; gap: 22px; flex-wrap: wrap; align-items: center; }
  .hero-trust .ht-names b { font-size: 15px; font-weight: 600; color: var(--ads-on-surface-variant); letter-spacing: .02em; }
  @media (max-width: 960px) { .hero-trust { align-items: center; } .hero-trust .ht-names { justify-content: center; } }
  /* ── 顧問閉環 ── */
  .loop-head { text-align: center; max-width: 40em; margin: 0 auto 40px; }
  .loop-head h2 { font-size: 34px; line-height: 46px; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 14px; }
  .loop-head p { font-size: 16px; line-height: 28px; color: var(--ads-on-surface-variant); }
  .loop-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; max-width: 820px; margin: 0 auto 34px; }
  .loop-card { padding: 28px; border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); background: var(--ads-surface-low); }
  .loop-card.now { border-color: rgba(186,153,114,.5); background: var(--ads-surface); }
  .lc-tag { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--ads-secondary); }
  .loop-card.now .lc-tag { color: var(--ads-primary); }
  .loop-card h3 { font-size: 20px; font-weight: 700; margin: 10px 0 8px; }
  .loop-card p { font-size: 14px; line-height: 22px; color: var(--ads-on-surface-variant); margin: 0; }
  .loop-cta { text-align: center; }
  @media (max-width: 680px) { .loop-grid { grid-template-columns: 1fr; } .loop-head h2 { font-size: 26px; line-height: 36px; } }
  /* ── 可信度防守 ── */
  .trust-head { text-align: center; max-width: 40em; margin: 0 auto 40px; }
  .trust-head h2 { font-size: 32px; line-height: 44px; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 14px; }
  .trust-head p { font-size: 16px; line-height: 28px; color: var(--ads-on-surface-variant); }
  .trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .trust-card { padding: 24px 22px; border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); background: var(--ads-surface-low); }
  .tc-n { font-family: var(--mono); font-size: 13px; color: var(--ads-primary); }
  .trust-card h3 { font-size: 16px; font-weight: 700; margin: 10px 0 8px; line-height: 22px; }
  .trust-card p { font-size: 13px; line-height: 20px; color: var(--ads-on-surface-variant); margin: 0; }
  @media (max-width: 900px) { .trust-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 520px) { .trust-grid { grid-template-columns: 1fr; } .trust-head h2 { font-size: 25px; line-height: 34px; } }
  .section-head { display: flex; align-items: baseline; gap: 24px; margin-bottom: 20px; }
  .section-num { font-family: var(--mono); font-size: 60px; font-weight: 400; line-height: 1; color: var(--ads-primary); opacity: .85; }
  .section-head .line { flex: 1; height: 1px; background: var(--ads-outline-variant); }
  .section-title { font-size: 30px; font-weight: 600; line-height: 40px; white-space: nowrap; }
  .section-lede { font-size: 16px; line-height: 28px; color: var(--ads-on-surface-variant); max-width: 44em; margin-bottom: 22px; }

  /* ── 品牌故事 ── */
  .story { max-width: 44em; display: grid; gap: 22px; }
  .story p { font-size: 16px; line-height: 31px; color: var(--ads-on-surface-variant); }
  .story p .em { color: var(--ads-primary); }
  .story p:last-child { color: var(--ads-on-surface); font-weight: 600; }

  /* ── Bento 互動圖卡 ── */
  .bento { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
  .bento-card { position: relative; grid-column: span 2; border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); background: var(--ads-surface-low); overflow: hidden; padding: 24px; min-height: 232px; display: flex; flex-direction: column; transition: border-color .22s ease, transform .22s ease, box-shadow .22s ease; }
  .bento-card:hover { border-color: rgba(168,122,66,.55); transform: translateY(-4px); box-shadow: 0 16px 44px -14px rgba(0,0,0,.65); }
  .bento-card::after { content: ""; position: absolute; left: 0; right: 0; bottom: -50px; height: 150px; background: radial-gradient(ellipse at 50% 100%, rgba(168,122,66,.20), transparent 70%); opacity: 0; transition: opacity .25s ease; pointer-events: none; }
  .bento-card:hover::after { opacity: 1; }
  .bento-card.wide { grid-column: span 4; }
  .bc-label { font-family: var(--mono); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--ads-secondary); }
  .bento-card h3 { font-size: 20px; font-weight: 600; line-height: 28px; margin: 10px 0 0; max-width: 16em; }
  .bc-geo { position: absolute; top: 20px; right: 20px; color: var(--ads-primary); opacity: .45; pointer-events: none; }
  .bc-visual { margin-top: auto; padding-top: 22px; }
  .bc-vs { display: flex; gap: 34px; }
  .bc-vs .n { font-family: var(--mono); font-size: 38px; line-height: 1; color: var(--ads-on-surface); }
  .bc-vs .n small { display: block; font-size: 11px; letter-spacing: .12em; color: var(--ads-on-surface-hint); margin-bottom: 10px; font-family: 'Noto Sans TC', sans-serif; }
  .bc-rows { display: grid; gap: 13px; }
  .bc-row { display: grid; grid-template-columns: 78px 1fr 46px; gap: 12px; align-items: center; }
  .bc-row .l { color: var(--ads-on-surface-variant); font-family: var(--mono); font-size: 12px; }
  .bc-row .v { font-family: var(--mono); font-size: 12px; color: var(--ads-on-surface-hint); text-align: right; }
  .bc-stack { display: flex; height: 14px; border-radius: 3px; overflow: hidden; }
  .bc-stack span { height: 100%; }
  .bc-legend { display: flex; flex-wrap: wrap; gap: 9px 16px; margin-top: 16px; font-size: 12px; color: var(--ads-on-surface-variant); }
  .bc-legend i { display: inline-block; width: 8px; height: 8px; border-radius: 2px; margin-right: 6px; vertical-align: middle; }
  .bc-answer { font-size: 13px; line-height: 22px; color: var(--ads-on-surface-variant); }
  .bc-answer .q { display: block; font-family: var(--mono); font-size: 12px; color: var(--ads-on-surface); margin-bottom: 10px; }
  .bc-answer mark { background: transparent; color: var(--ads-primary); border-bottom: 1px solid var(--ads-primary); }
  .bc-desc { font-size: 13.5px; line-height: 22px; color: var(--ads-on-surface-variant); margin-top: 8px; max-width: 22em; }
  .bc-demo { display: inline-block; margin-top: 16px; font-family: var(--mono); font-size: 12px; color: var(--ads-on-surface-hint); border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); padding: 7px 12px; }
  .bc-demo em { font-style: normal; color: var(--ads-secondary); }
  .bc-svg { width: 100%; height: auto; display: block; color: var(--ads-primary); }
  .bc-icon { display: block; color: var(--ads-primary); margin-bottom: 4px; }
  /* 抽象渲染色塊點綴（取代線稿 icon） */
  .geo-blob { position: absolute; top: 22px; right: 22px; width: 50px; height: 50px; border-radius: 50%; pointer-events: none;
    background: radial-gradient(circle at 42% 36%, #dcab6c, #9a6f3c 54%, rgba(110,86,48,0) 74%); filter: blur(3px); box-shadow: 0 0 22px rgba(168,122,66,.42); }
  .geo-blob::after { content: ""; position: absolute; left: 50%; top: 50%; width: 78px; height: 30px; transform: translate(-50%,-50%) rotate(-22deg); border: 1px solid rgba(201,148,94,.38); border-radius: 50%; }
  .geo-blob.lg { position: static; width: 50px; height: 50px; margin-bottom: 18px; }
  .bento-card:nth-child(even) .geo-blob { background: radial-gradient(circle at 42% 36%, #aac882, #5f7a40 54%, rgba(95,122,64,0) 74%); box-shadow: 0 0 22px rgba(110,156,86,.42); }
  .bento-card:nth-child(even) .geo-blob::after { border-color: rgba(138,173,121,.4); }
  /* 葉形色塊（L2 結構層：02 步驟） */
  .geo-blob.leaf { border-radius: 62% 0 62% 0; transform: rotate(-20deg); filter: blur(2.5px);
    background: radial-gradient(circle at 58% 30%, #aac882, #5f7a40 58%, rgba(95,122,64,0) 80%); box-shadow: 0 0 20px rgba(110,156,86,.34); }
  .geo-blob.leaf::after { display: none; }
  .bento-card:nth-child(even) .geo-blob.leaf { transform: rotate(22deg);
    background: radial-gradient(circle at 42% 30%, #dcab6c, #9a6f3c 58%, rgba(154,111,60,0) 80%); box-shadow: 0 0 20px rgba(168,122,66,.34); }
  /* 樹冠柔光團（L3 氛圍層：section 背景，非每卡） */
  .has-canopy { position: relative; overflow: hidden; }
  .canopy { position: absolute; z-index: 0; pointer-events: none; border-radius: 50%; filter: blur(46px); }
  .canopy.a { width: 300px; height: 230px; top: 24px; right: 5%; background: radial-gradient(circle, rgba(110,156,86,.18), rgba(110,156,86,0) 70%); }
  .canopy.b { width: 240px; height: 190px; bottom: 30px; left: 3%; background: radial-gradient(circle, rgba(168,122,66,.15), rgba(168,122,66,0) 70%); }
  .has-canopy .wrap { position: relative; z-index: 1; }
  /* 像素苔蘚點綴（L4 細節層，散佈各區） */
  .moss { position: absolute; pointer-events: none; z-index: 1; width: 18px; height: 18px; }
  .moss i { position: absolute; display: block; background: #7fb061; }
  .moss i:nth-child(1) { left: 0; top: 8px; width: 5px; height: 5px; animation: ar-tw 3.4s ease-in-out infinite; }
  .moss i:nth-child(2) { left: 7px; top: 2px; width: 4px; height: 4px; opacity: .72; animation: ar-tw 3.4s ease-in-out infinite 1.1s; }
  .moss i:nth-child(3) { left: 12px; top: 11px; width: 3px; height: 3px; opacity: .5; }
  .moss.bl { bottom: 16px; left: 18px; } .moss.br { bottom: 16px; right: 18px; }
  .moss.tr { top: 18px; right: 56px; } .moss.tl { top: 18px; left: 18px; }
  @media (prefers-reduced-motion: reduce) { .moss i { animation: none; } }
  /* 壓在卡片框線上的抽象渲染色塊（不每格都有，無軌道環） */
  .bento-card.ovis, .bento-card:has(.edge-blob) { overflow: visible; }
  .edge-blob { position: absolute; z-index: 3; pointer-events: none; width: 74px; height: 74px; border-radius: 50%; filter: blur(9px);
    background: radial-gradient(circle at 42% 38%, #dcab6c, #9a6f3c 50%, rgba(154,111,60,0) 74%); }
  .edge-blob.moss2 { background: radial-gradient(circle at 42% 38%, #aac882, #5f7a40 50%, rgba(95,122,64,0) 74%); }
  .edge-blob.tr { top: -32px; right: 48px; } .edge-blob.tl { top: -32px; left: 48px; }
  .edge-blob.rt { top: 46px; right: -32px; } .edge-blob.bl { bottom: -32px; left: 60px; }
  .bc-span3 { grid-column: span 3; }
  .story-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
  .story-grid .acorn-stage { height: 300px; align-items: flex-start; margin-top: -100px; }
  @media (max-width: 880px) { .story-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; } .story-grid .acorn-stage { height: 240px; margin-top: 0; overflow: hidden; } .story-grid .acorn-render, .story-grid .acorn-render.sm { width: 100%; max-width: 300px; margin: 0 auto; transform: none; } }
  @media (max-width: 960px) { .bento { grid-template-columns: 1fr; } .bento-card, .bento-card.wide, .bc-span3 { grid-column: span 1; } .bento-card.ovis, .bento-card:has(.edge-blob) { overflow: hidden; } }

  /* ── 產品功能段（左右交替）── */
  .feature { display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: center; padding: 56px 0; border-top: 1px solid var(--ads-outline-variant); }
  .feature:last-of-type { border-bottom: 1px solid var(--ads-outline-variant); }
  .feature.flip .f-copy { order: 2; }
  .feature.flip .f-visual { order: 1; }
  .f-num { font-family: var(--mono); font-size: 13px; color: var(--ads-primary); letter-spacing: .12em; }
  .f-copy h3 { font-size: 26px; line-height: 36px; font-weight: 600; margin: 10px 0 14px; }
  .f-copy p { font-size: 15px; line-height: 27px; color: var(--ads-on-surface-variant); }
  .f-copy .scope { font-size: 13px; color: var(--ads-on-surface-hint); margin-top: 14px; }
  .f-points { list-style: none; margin-top: 20px; display: grid; gap: 10px; }
  .f-points li { font-size: 14px; color: var(--ads-on-surface-variant); padding-left: 18px; position: relative; }
  .f-points li::before { content: ""; position: absolute; left: 0; top: 10px; width: 8px; height: 1px; background: var(--ads-primary); }

  .f-visual { position: relative; }
  .f-visual::after {
    content: ""; position: absolute; left: 8%; right: 8%; bottom: -22px; height: 110px;
    background: radial-gradient(ellipse at 50% 100%, rgba(168,122,66,.18), rgba(168,122,66,0) 72%);
    filter: blur(20px); pointer-events: none; z-index: 0;
  }
  .f-visual .card {
    position: relative; z-index: 1;
    border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs);
    background: var(--ads-surface-low); overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,.3), 0 8px 24px 4px rgba(0,0,0,.25);
  }
  .card-head { display: flex; justify-content: space-between; align-items: center; padding: 13px 18px; border-bottom: 1px solid var(--ads-outline-variant); background: var(--ads-surface-container); }
  .card-title { font-size: 12px; font-weight: 500; letter-spacing: .12em; color: var(--ads-on-surface-variant); }
  .card-tag { font-size: 10px; letter-spacing: .18em; color: var(--ads-on-primary); background: var(--ads-primary); border-radius: var(--corner-xs); padding: 3px 9px; }
  .card-body { padding: 18px; }

  table.data { width: 100%; border-collapse: collapse; font-size: 12.5px; }
  table.data th { font-size: 10px; letter-spacing: .15em; text-transform: uppercase; color: var(--ads-on-surface-hint); text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--ads-outline-variant); font-weight: 500; }
  table.data td { padding: 10px; border-bottom: 1px solid var(--ads-surface-container); color: var(--ads-on-surface-variant); }
  table.data tr:last-child td { border-bottom: none; }
  table.data .mono { font-size: 12px; }
  .mini-track { height: 5px; background: var(--ads-surface-container); border-radius: var(--corner-xs); overflow: hidden; min-width: 70px; }
  .mini-fill { height: 100%; background: var(--ads-outline); width: 0; transition: width 1.1s cubic-bezier(.2,.7,.2,1); }
  .mini-fill.gold { background: var(--ads-primary); }
  .pill { font-family: var(--mono); font-size: 10px; letter-spacing: .1em; border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); padding: 2px 8px; color: var(--ads-on-surface-hint); }
  .pill.gold { color: var(--ads-primary); border-color: var(--ads-primary); }

  .answer-sim { font-size: 13.5px; line-height: 24px; color: var(--ads-on-surface-variant); }
  .answer-sim .q { font-family: var(--mono); font-size: 12.5px; color: var(--ads-on-surface); display: block; margin-bottom: 12px; }
  .answer-sim .q::before { content: "Q · "; color: var(--ads-primary); letter-spacing: .1em; }
  .answer-sim mark { background: transparent; color: var(--ads-primary); border-bottom: 1px solid var(--ads-primary); padding-bottom: 1px; }
  .vs-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 16px; }
  .vs-card { border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); padding: 14px 16px; }
  .vs-card .v-plat { font-family: var(--mono); font-size: 11px; letter-spacing: .15em; color: var(--ads-on-surface-hint); text-transform: uppercase; }
  .vs-card .v-val { font-family: var(--mono); font-size: 28px; margin-top: 8px; }
  .vs-card .v-sub { font-family: var(--mono); font-size: 11px; color: var(--ads-primary); margin-top: 4px; }

  /* ── 運作方式 ── */
  .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; position: relative; }
  .step { padding: 0 36px 0 0; position: relative; }
  .step + .step { padding-left: 36px; border-left: 1px solid var(--ads-outline-variant); }
  .step .st-num { font-family: var(--mono); font-size: 48px; color: var(--ads-secondary); opacity: .9; line-height: 1; }
  .step h3 { font-size: 18px; font-weight: 500; line-height: 28px; margin: 18px 0 10px; }
  .step p { font-size: 14px; line-height: 25px; color: var(--ads-on-surface-variant); }
  .step .st-demo { font-family: var(--mono); font-size: 12px; color: var(--ads-on-surface-hint); border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); padding: 9px 13px; margin-top: 18px; display: inline-block; }
  .step .st-demo em { font-style: normal; color: var(--ads-primary); }

  /* ── 差異化 ── */
  .diff-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 48px 64px; }
  .diff h3 { font-size: 18px; font-weight: 500; line-height: 28px; }
  .diff h3::after { content: ""; display: block; width: 32px; height: 1px; background: var(--ads-primary); margin-top: 12px; }
  .diff p { font-size: 14px; line-height: 25px; color: var(--ads-on-surface-variant); margin-top: 14px; }

  /* ── 比較表 ── */
  .compare-wrap { overflow-x: auto; margin-top: 4px; -webkit-overflow-scrolling: touch; }
  table.compare { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 760px; }
  table.compare th, table.compare td { padding: 16px 18px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--ads-outline-variant); line-height: 22px; }
  table.compare thead th { font-size: 15px; font-weight: 600; color: var(--ads-on-surface); border-bottom: 1px solid var(--ads-outline); }
  table.compare thead th .th-sub { display: block; font-family: var(--mono); font-size: 11px; font-weight: 400; color: var(--ads-on-surface-hint); letter-spacing: .03em; margin-top: 5px; }
  table.compare tbody th[scope="row"] { font-weight: 500; color: var(--ads-on-surface); width: 25%; }
  table.compare tbody th .row-sub { display: block; font-size: 12px; font-weight: 400; color: var(--ads-on-surface-hint); margin-top: 4px; }
  table.compare td { color: var(--ads-on-surface-variant); }
  table.compare .us { background: rgba(190, 142, 94, .08); }
  table.compare thead th.us { color: var(--ads-primary); border-bottom-color: var(--ads-primary); }
  table.compare tbody tr:last-child th, table.compare tbody tr:last-child td { border-bottom: none; }
  .mk { display: inline-block; width: 1.1em; font-weight: 600; margin-right: 8px; }
  .mk.yes { color: var(--ads-secondary); }
  .mk.mid { color: var(--ads-on-surface-hint); }
  .mk.no { color: var(--ads-outline); }
  .compare-note { font-size: 12.5px; color: var(--ads-on-surface-hint); margin-top: 22px; line-height: 20px; }

  /* ── 方案 ── */
  .plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .plan { border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); padding: 32px 28px; display: flex; flex-direction: column; background: var(--ads-surface-low); }
  .plan.featured { border-color: var(--ads-primary); position: relative; }
  .plan.featured::before { content: "Most popular"; position: absolute; top: -11px; left: 24px; font-size: 11px; letter-spacing: .15em; background: var(--ads-primary); color: var(--ads-on-primary); padding: 3px 12px; border-radius: var(--corner-xs); }
  .plan .p-name { font-size: 20px; font-weight: 600; }
  .plan .p-for { font-size: 13px; color: var(--ads-on-surface-hint); margin-top: 6px; min-height: 38px; }
  .plan ul { list-style: none; margin: 24px 0 32px; display: grid; gap: 13px; flex: 1; }
  .plan li { font-size: 14px; color: var(--ads-on-surface-variant); padding-left: 18px; position: relative; }
  .plan li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 1px; background: var(--ads-primary); }
  .plan li strong { color: var(--ads-on-surface); font-weight: 500; }
  .plan .btn { text-align: center; }
  .plans-note { font-size: 13px; color: var(--ads-on-surface-hint); margin-top: 24px; }

  /* ── FAQ ── */
  .faq-list { max-width: 100%; }
  .faq-list details { border-top: 1px solid var(--ads-outline-variant); }
  .faq-list details:last-child { border-bottom: 1px solid var(--ads-outline-variant); }
  .faq-list summary { cursor: pointer; list-style: none; font-size: 16px; font-weight: 500; line-height: 24px; padding: 22px 36px 22px 0; position: relative; }
  .faq-list summary::-webkit-details-marker { display: none; }
  .faq-list summary::after { content: "+"; position: absolute; right: 4px; top: 20px; font-family: var(--mono); font-size: 18px; color: var(--ads-secondary); }
  .faq-list details[open] summary::after { content: "−"; }
  .faq-list .faq-a { font-size: 14px; line-height: 25px; color: var(--ads-on-surface-variant); padding: 0 0 24px; max-width: 46em; }

  /* ── CTA band ── */
  .cta-band { border-top: 1px solid var(--ads-outline-variant); background: var(--ads-surface-low); text-align: center; padding: 96px 0; }
  .cta-band h2 { font-size: 36px; line-height: 48px; font-weight: 600; max-width: 20em; margin: 18px auto 14px; }
  .cta-band p { font-size: 15px; color: var(--ads-on-surface-variant); margin-bottom: 36px; }
  /* 結尾 CTA 卡片 */
  .cta-card { position: relative; max-width: 720px; margin: 0 auto; padding: 60px 52px; text-align: center; border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs); background: var(--ads-surface); box-shadow: 0 30px 80px rgba(0,0,0,.42); overflow: hidden; }
  .cta-card::before { content: ""; position: absolute; left: 50%; top: -40%; width: 120%; height: 120%; transform: translateX(-50%); background: radial-gradient(ellipse at 50% 0, rgba(168,122,66,.16), rgba(168,122,66,0) 60%); pointer-events: none; }
  .cta-card > * { position: relative; }
  .cta-card h2 { font-size: 46px; line-height: 1.12; font-weight: 700; letter-spacing: -0.01em; max-width: none; margin: 16px auto 16px; }
  .cta-card p { font-size: 15px; color: var(--ads-on-surface-variant); margin-bottom: 30px; }
  @media (max-width: 760px) { .cta-card { padding: 40px 24px; } .cta-card h2 { font-size: 32px; } }

  /* ── Lead form ── */
  .lead { padding: 104px 0; }
  .lead-grid { display: grid; grid-template-columns: 5fr 7fr; gap: 64px; }
  .lead-pitch h2 { font-size: 32px; line-height: 42px; font-weight: 600; margin: 20px 0 16px; }
  .lead-pitch p { font-size: 15px; line-height: 26px; color: var(--ads-on-surface-variant); }
  .lead-meta { margin-top: 28px; display: grid; gap: 12px; }
  .lead-meta .m-row { font-family: var(--mono); font-size: 12.5px; color: var(--ads-on-surface-hint); display: flex; gap: 10px; align-items: baseline; }
  .lead-meta .m-row b { color: var(--ads-primary); font-weight: 400; }
  form { display: grid; gap: 20px; }
  .form-error { display: none; border: 1px solid var(--ads-error); border-radius: var(--corner-xs); color: var(--ads-error); font-size: 13px; padding: 11px 14px; }
  .field label { display: block; font-size: 13px; font-weight: 500; letter-spacing: .1em; color: var(--ads-on-surface-variant); margin-bottom: 8px; }
  .field label .req { color: var(--ads-primary); }
  .field input, .field textarea {
    width: 100%; background: var(--ads-surface-container);
    border: 1px solid var(--ads-outline-variant); border-radius: var(--corner-xs);
    color: var(--ads-on-surface); font-family: inherit; font-size: 15px; padding: 12px 14px;
  }
  .field input:focus, .field textarea:focus { outline: none; border-color: var(--ads-primary); }
  .field textarea { min-height: 96px; resize: vertical; }
  .field .err { display: none; font-size: 12px; color: var(--ads-error); margin-top: 6px; }
  .field.invalid input, .field.invalid textarea { border-color: var(--ads-error); }
  .field.invalid .err { display: block; }
  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .consent { font-size: 12px; color: var(--ads-on-surface-hint); }
  .lead-success { display: none; border: 1px solid var(--ads-primary); border-radius: var(--corner-xs); padding: 48px 40px; text-align: center; }
  .lead-success .s-mark { font-family: var(--mono); font-size: 40px; color: var(--ads-primary); }
  .lead-success h3 { font-size: 20px; font-weight: 600; margin: 16px 0 10px; }
  .lead-success p { font-size: 14px; line-height: 24px; color: var(--ads-on-surface-variant); }

  /* ── Footer ── */
  footer { border-top: 1px solid var(--ads-outline-variant); background: var(--ads-surface-low); padding: 64px 0 40px; }
  .foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
  .foot-brand svg { display: block; opacity: .9; margin-bottom: 16px; }
  .foot-brand p { font-size: 13px; line-height: 23px; color: var(--ads-on-surface-hint); max-width: 26em; }
  .foot-col h4 { font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--ads-on-surface-hint); font-weight: 500; margin-bottom: 16px; }
  .foot-col ul { list-style: none; display: grid; gap: 11px; }
  .foot-col a, .foot-col span { font-size: 13.5px; color: var(--ads-on-surface-variant); }
  .foot-col span.soon { color: var(--ads-on-surface-hint); cursor: default; }
  .foot-base { border-top: 1px solid var(--ads-outline-variant); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
  .foot-base small { font-size: 12px; color: var(--ads-on-surface-hint); letter-spacing: .05em; }

  /* ── Product screenshots（真實產品 UI 截圖） ── */
  img { max-width: 100%; height: auto; }
  .shot-frame {
    position: relative; z-index: 1;
    border: 1px solid var(--ads-outline-variant);
    border-radius: var(--corner-xs);
    background: var(--ads-surface-low);
    overflow: hidden;
    box-shadow: 0 2px 3px rgba(0,0,0,.3), 0 12px 40px 8px rgba(0,0,0,.35);
  }
  .shot-frame img { display: block; width: 100%; height: auto; }
  .section-shot { margin-top: 44px; }
  .shot-cap { max-width: 46em; margin: 14px auto 0; text-align: center; font-size: 13px; line-height: 21px; color: var(--ads-on-surface-hint); }

  /* ── Ask-flow 逐步動畫（play once on scroll） ── */
  /* 初始狀態：user bubble / bot bubble / g-ov / tags 全部隱藏 */
  .ask-flow-anim .ask-msg.user,
  .ask-flow-anim .ask-msg.bot,
  .ask-flow-anim .g-ov,
  .ask-flow-anim .ask-foot .ask-tag {
    opacity: 0;
    transform: translateY(6px);
    transition: opacity .28s ease, transform .28s ease;
  }
  /* 打字中：input 文字顏色切回前景色 */
  .ask-flow-anim .ask-input.typing-active > span:first-child {
    color: var(--ads-on-surface);
  }
  /* 顯示態（JS 加 .af-show class） */
  .ask-flow-anim .ask-msg.user.af-show,
  .ask-flow-anim .ask-msg.bot.af-show,
  .ask-flow-anim .g-ov.af-show,
  .ask-flow-anim .ask-foot .ask-tag.af-show {
    opacity: 1;
    transform: none;
  }
  /* 兩個 Google tag 間距已由 inline style 處理，確保不換行 */
  .ask-foot { flex-wrap: wrap; }
  /* 擬答中：預設隱藏，JS 加 .show 才顯示；答案出現後移除 */
  .ask-flow-anim .ask-think.show { display: flex; }
  .ask-flow-anim .g-think.show { display: flex; }

  /* ── Reveal ── */
  .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
  .reveal.in { opacity: 1; transform: none; }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .bar-fill, .mini-fill { transition: none; }
    .console-live i, .ticker .cursor { animation: none; }
  }

  /* ── RWD ── */
  @media (max-width: 960px) {
    :root { --page-margin: 22px; }
    .nav-links > a { display: none; }
    .hero { padding: 28px 0 0; }
    .hero h1 { font-size: 33px; line-height: 44px; }
    .hero-top { grid-template-columns: minmax(0, 1fr); gap: 8px; min-height: 0; }
    .hero-copy { text-align: center; }
    .hero-copy .hero-sub { margin: 0 auto 32px; }
    .hero-copy .hero-cta { justify-content: center; }
    .acorn-stage { height: 168px; order: 2; align-items: flex-end; overflow: hidden; }
    .hero-top .acorn-render { width: min(100%, 320px); height: 300px; margin: 0 auto; }
    .console-body { grid-template-columns: 1fr; }
    .console-side { display: flex; overflow-x: auto; border-right: none; border-bottom: 1px solid var(--ads-outline-variant); padding: 0; }
    .side-item { white-space: nowrap; border-left: none; border-bottom: 2px solid transparent; padding: 12px 16px; }
    .side-item.active { border-bottom-color: var(--ads-primary); }
    .kpis { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat { border-left: none; border-top: 1px solid var(--ads-outline-variant); }
    .section { padding: 64px 0; }
    .section-num { font-size: 42px; }
    .section-title { font-size: 23px; line-height: 32px; white-space: normal; }
    .feature, .feature.flip { grid-template-columns: 1fr; gap: 28px; }
    .feature.flip .f-copy { order: 1; }
    .feature.flip .f-visual { order: 2; }
    .steps { grid-template-columns: 1fr; }
    .step { padding: 0 0 32px; }
    .step + .step { padding: 32px 0 0; border-left: none; border-top: 1px solid var(--ads-outline-variant); }
    .diff-grid, .plans { grid-template-columns: 1fr; }
    .cta-band h2 { font-size: 26px; line-height: 36px; }
    .lead-grid { grid-template-columns: 1fr; gap: 40px; }
    .form-row { grid-template-columns: 1fr; }
    .foot-grid { grid-template-columns: 1fr 1fr; }
  }