/* OPTIMA Taiwan — main stylesheet. Tokens: design-system.md §16 (verbatim). */

/* =========================================================
   OPTIMA Taiwan (CSP) — Design Tokens v1.0
   標註：數值取自 optimabatteries.com 實測（見 design-system.md），
   中文排版相關數值為本站建議。
   ========================================================= */
:root {
  /* ---- Brand colors【實測】---- */
  --color-primary: #EA0029;
  --color-primary-dark: #940119;
  --color-primary-light: #FF143D;
  --color-accent: #FFDD00;
  --color-accent-hover: #D8BE17;
  --color-accent-light: #FFE229;

  /* ---- Neutrals【實測】---- */
  --color-bg: #000000;
  --color-surface-1: #141414;
  --color-surface-nav: #181818;
  --color-surface-2: #3D3D3D;
  --color-grey: #63676B;
  --color-grey-pdp: #666666;
  --color-text: #FFFFFF;
  --color-text-muted: #B2B1B2;
  --color-text-subtle: #7A7A7A;
  --color-border-nav: #2D2D2D;
  --color-border-form: #707275;
  --color-border-light: rgba(255, 255, 255, .2);
  --color-border-input: rgba(255, 255, 255, .5);
  --color-overlay: rgba(0, 0, 0, .5);
  --color-glass: rgba(255, 255, 255, .15);

  /* ---- Product line colors【實測】---- */
  --color-redtop: #EA0029;
  --color-yellowtop: #FFDD00;
  --color-bluetop: #006FBA;       /* brief 主值；當底色 */
  --color-bluetop-text: #3983BC;  /* 黑底上的藍字 */
  --color-primary-text: #FF4D5E;  /* 深色面上的紅色小字（§15） */
  --color-price-del: #8C8C8C;     /* 原價刪除線（§15） */
  --color-orangetop: #FF6C0E;

  /* ---- Status ---- */
  --color-success: #4BCA81;        /*【實測】dxp-g-success */
  --color-success-strong: #008700; /*【實測】opt-green，僅作底色 */
  --color-warning: #FFB75D;        /*【實測】*/
  --color-error: #D35E5A;          /*【實測】自訂 destructive */
  --color-error-bg: #EA0029;
  --color-info: #FFDD00;           /*【本站建議】*/
  --color-focus: #FFDD00;          /*【本站建議】官網表單 focus 為 #177EAB */

  /* ---- Gradients【實測】---- */
  --gradient-red: linear-gradient(97.31deg, var(--color-primary) 11.49%, var(--color-primary-dark) 92.4%);
  --gradient-section: linear-gradient(180deg, rgba(255,255,255,.15) 0%, rgba(255,255,255,0) 92.79%);
  --gradient-card: linear-gradient(0deg, rgba(0,0,0,.6), rgba(0,0,0,.6)), linear-gradient(89.38deg, rgba(255,255,255,0) 10.13%, rgba(255,255,255,.15) 62.71%);
  --gradient-card-alt: linear-gradient(180deg, rgba(0,0,0,.7), #000), linear-gradient(180deg, rgba(255,255,255,.5) 0%, rgba(255,255,255,0) 92.79%);
  --gradient-product-card: linear-gradient(rgba(0,0,0,.5) 0%, #000 63.4%), linear-gradient(rgba(255,255,255,.15) 0%, rgba(255,255,255,0) 92.79%);
  --gradient-header: linear-gradient(0deg, rgba(0,0,0,.6), rgba(0,0,0,.6)), linear-gradient(89.38deg, rgba(255,255,255,0) 10.13%, rgba(255,255,255,.15) 62.71%);
  --gradient-modal: linear-gradient(89.83deg, rgba(255,255,255,0) .03%, rgba(255,255,255,.075) 55.3%);
  --gradient-border: linear-gradient(0deg, rgba(255,255,255,0) 0%, rgba(255,255,255,.5) 100%);
  --gradient-hero-overlay: linear-gradient(95.99deg, #000 3.31%, rgba(0,0,0,0) 81.17%), linear-gradient(rgba(0,0,0,0) 70.67%, rgba(0,0,0,.9) 94.23%);
  --gradient-pdp: linear-gradient(180deg, var(--color-grey) 11.15svh, #000 50.48svh);
  --gradient-pdp-lg: linear-gradient(180deg, var(--color-grey-pdp) 0%, #000 75svh);

  /* ---- Typography【已確定決策：不用 Knockout】---- */
  --font-display-en: "Barlow Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --font-heading: "Barlow Condensed", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-heading-zh: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-body: "Barlow", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --font-num: "Barlow Condensed", "Barlow", "Noto Sans TC", sans-serif;

  /* 英文大標（brief 建議值 = 官網尺寸）*/
  --fs-hero: clamp(3.5rem, 13vw, 21.6rem);
  --fs-line-en: clamp(5.25rem, 24vw, 21.375rem);
  --fs-h1-en: clamp(3.375rem, 8.7vw, 7.8125rem);
  --fs-h2-en: clamp(2.875rem, 5.6vw, 5rem);
  --fs-h3-en: clamp(1.9rem, 3.2vw, 2.875rem);
  --fs-h4-en: clamp(1.9375rem, 3.2vw, 2.875rem);
  --lh-en: .78;
  /* 中文標題 ≈ 英文 × 0.6（brief），Noto Sans TC 900 */
  --fs-hero-zh: clamp(2.25rem, 7.8vw, 13rem);
  --fs-h1: clamp(2rem, 5.2vw, 4.6875rem);       --lh-h1: 1.15;
  --fs-h2: clamp(1.75rem, 3.4vw, 3rem);         --lh-h2: 1.15;
  --fs-h3: clamp(1.375rem, 2vw, 1.75rem);       --lh-h3: 1.2;
  --fs-h4: clamp(1.25rem, 1.8vw, 1.75rem);      --lh-h4: 1.2;
  --fs-h5: clamp(1.125rem, 1.4vw, 1.3125rem);   --lh-h5: 1.3;
  --fs-body-l: 1.125rem;
  --fs-body: 1rem;
  --fs-small: .875rem;
  --fs-caption: .8125rem;
  --fs-price: clamp(1.75rem, 2.4vw, 2.25rem);
  --fs-price-pdp: clamp(2.5rem, 3.9vw, 3.5rem);
  --lh-body: 1.7;
  --lh-tight: 1.3;
  --ls-base: .02em;     /*【實測】官網 letter-spacing: 2% */
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-heavy: 800;
  --fw-black: 900;

  /* ---- Spacing【實測】---- */
  --space-1: .125rem;
  --space-2: .25rem;
  --space-3: .5rem;
  --space-4: .75rem;
  --space-5: .875rem;
  --space-6: 1rem;
  --space-7: 1.5rem;
  --space-8: 1.75rem;
  --space-9: 2rem;
  --space-10: 2.25rem;
  --space-11: 2.5rem;
  --space-12: 3rem;
  --space-section: 2.5rem;
  --space-section-lg: 4rem;

  /* ---- Layout【實測】---- */
  --container-max: 1720px;
  --container-text: 1080px;
  --container-pad: 1rem;
  --gutter: .75rem;
  --header-top: 1rem;        /*【本站建議】官網 3.125rem */
  --header-h: 56px;          /*【實測】<768 */
  --header-burger-w: 50px;   /*【實測】<1224 */
  --content-offset: 8.75rem; /*【實測】內頁頂部避開頁首 */

  /* ---- Shape & effects【實測】---- */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-pill: 100px;
  --radius-input: 0;
  --skew: -12deg;
  --skew-reverse: 12deg;
  --shadow-glow: 0 0 20px 0 #FFFFFF;
  --blur-header: blur(10px);
  --blur-card: blur(20px);
  --blur-overlay: blur(8px);
  --duration-fast: .3s;
  --duration: .5s;
  --duration-slow: .8s;
  --ease: ease-in-out;

  /* ---- Buttons【實測】---- */
  --btn-font: var(--font-body);
  --btn-fw: 600;
  --btn-fs: 1.125rem;
  --btn-lh: 1.3;
  --btn-pad: .625rem 1rem;
  --btn-pad-lg: .875rem 1.5rem;
  --btn-pad-sm: .5rem .625rem;
  --btn-radius: var(--radius);
  --btn-border: 1px;

  /* ---- WooCommerce【本站建議】---- */
  --wc-price-color: var(--color-accent);   /* brief：價格黃色 */
  --wc-sale-color: var(--color-accent);
  --wc-regular-del-color: var(--color-price-del);
  --wc-price-tbd-color: var(--color-text-muted);
  --wc-badge-sale-bg: var(--color-primary);
  --wc-cart-count-bg: var(--color-primary);
  --wc-qty-h: 48px;
  --wc-drawer-w: 420px;
}

@media (min-width: 768px) {
  :root { --header-h: 76px; }
}
@media (min-width: 1024px) {
  :root {
    --fs-body-l: 1.375rem;
    --fs-body: 1.0625rem;
    --space-section: 3.5rem;
    --space-section-lg: 7rem;
    --gutter: 1rem;
    --content-offset: 10rem;
    --gradient-pdp: var(--gradient-pdp-lg);
  }
}
@media (min-width: 1224px) {
  :root { --header-h: 88px; --header-burger-w: 90px; }
}
@media (min-width: 1440px) {
  :root { --header-h: 96px; }
}

/* ---- Base ---- */
html { scroll-padding-top: 9rem; }              /*【實測】*/
@media (min-width: 1024px) { html { scroll-padding-top: 12rem; } }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-base);
  -webkit-font-smoothing: antialiased;
  text-autospace: normal;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--fw-black);
  font-style: italic; font-synthesis: none;   /* 英文真斜體、中文不被拉斜 */
  text-transform: none; color: var(--color-text); letter-spacing: var(--ls-base); margin: 0 0 .5em;
}
h1 { font-size: var(--fs-h1); line-height: var(--lh-h1); }
h2 { font-size: var(--fs-h2); line-height: var(--lh-h2); }
h3 { font-size: var(--fs-h3); line-height: var(--lh-h3); }
h4 { font-size: var(--fs-h4); line-height: var(--lh-h4); }
h5 { font-size: var(--fs-h5); line-height: var(--lh-h5); }
h6 { font-size: var(--fs-body); line-height: 1.4; font-weight: var(--fw-bold); font-style: normal; font-family: var(--font-body); }
.h-en, .u-en { font-family: var(--font-display-en); font-weight: var(--fw-heavy); font-style: italic; font-synthesis: none; text-transform: uppercase; letter-spacing: var(--ls-base); }
h1.h-en { font-size: var(--fs-h1-en); line-height: var(--lh-en); }
h2.h-en { font-size: var(--fs-h2-en); line-height: var(--lh-en); }
h3.h-en { font-size: var(--fs-h3-en); line-height: .85; }
.h-upright { font-style: normal; }
.num { font-family: var(--font-num); font-style: normal; font-weight: var(--fw-bold); font-variant-numeric: tabular-nums; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }   /*【實測】link hover underline */
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }   /* 本站 focus 用黃色（§15） */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

/* =========================================================
   OPTIMA Taiwan — components (design-system.md §5–§15, page-layouts.md)
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; }
body { overflow-x: clip; min-height: 100vh; }
img, svg, video { max-width: 100%; height: auto; }
img { display: block; }
svg.icon { display: inline-block; flex: none; vertical-align: middle; }
button, input, select, textarea { font: inherit; color: inherit; letter-spacing: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.4em; }
hr { border: 0; border-top: 1px solid var(--color-border-light); margin: 2rem 0; }
table { border-collapse: collapse; width: 100%; }
strong, b { font-weight: var(--fw-bold); }
.screen-reader-text { border: 0; clip: rect(1px,1px,1px,1px); clip-path: inset(50%); height: 1px; width: 1px; margin: -1px; overflow: hidden; padding: 0; position: absolute !important; word-wrap: normal !important; }
.skip-link { position: absolute; left: 1rem; top: -100px; z-index: 10000; background: var(--color-accent); color: #000; padding: .75rem 1rem; border-radius: var(--radius); font-weight: 700; }
.skip-link:focus { top: 1rem; }
.tbd { background: rgba(255,221,0,.12); color: var(--color-accent); border: 1px dashed rgba(255,221,0,.5); border-radius: 4px; padding: 0 .3em; font-style: normal; }
.xref-pending { color: var(--color-text-muted); font-size: .875em; }
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--container-max); margin-inline: auto; padding-inline: max(var(--container-pad), 4vw); }
@media (min-width: 1440px) { .container { padding-inline: 5rem; } }
.container--text { max-width: calc(var(--container-text) + 8vw); }
@media (min-width: 1440px) { .container--text { max-width: calc(var(--container-text) + 10rem); } }
.site-content { position: relative; }
.section { padding-block: var(--space-section-lg); position: relative; }
.section + .section { padding-top: calc(var(--space-section-lg) * .6); }
.section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: .5rem 1.5rem; margin-bottom: 1.75rem; }
.section-head .kicker { width: 100%; margin: 0; }
.section-head--center { justify-content: center; text-align: center; }
.section-title { margin: 0; font-size: var(--fs-h2); }
.section-title--center { text-align: center; margin-bottom: 1.5rem; }
.kicker { color: var(--color-primary-text); font-size: var(--fs-small); letter-spacing: .08em; margin: 0 0 .5rem; }
.u-en.kicker { font-size: clamp(.95rem, 1.2vw, 1.25rem); }
.lin-grad-border { position: relative; border-radius: var(--radius); }
.lin-grad-border::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: var(--gradient-border); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none; }

/* ---------- buttons §6 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; min-height: 44px; padding: var(--btn-pad); border: var(--btn-border) solid var(--color-text); border-radius: var(--btn-radius); font-family: var(--btn-font); font-weight: 700; font-size: 1rem; line-height: var(--btn-lh); text-decoration: none !important; cursor: pointer; transition: background-color var(--duration), color var(--duration), border-color var(--duration); white-space: nowrap; }
.btn--primary, .button.alt, .single_add_to_cart_button, .checkout-button, #place_order { background: #fff; color: #000; border-color: #fff; }
.btn--primary:hover, .btn--primary:focus-visible, .single_add_to_cart_button:hover, .checkout-button:hover, #place_order:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn--primary:active { background: var(--color-primary-dark); }
.btn--secondary { background: var(--color-glass); color: #fff; border-color: #fff; }
.btn--secondary:hover, .btn--secondary:focus-visible { background: #fff; color: #000; }
.btn--accent { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn--accent:hover, .btn--accent:focus-visible { background: var(--color-primary-dark); border-color: #fff; color: #fff; }
.btn--line { background: #06C755; color: #fff; border-color: #06C755; }
.btn--line:hover, .btn--line:focus-visible { background: #05a548; border-color: #fff; color: #fff; }
.btn--lg { padding: var(--btn-pad-lg); font-size: 1.0625rem; }
.btn--sm { padding: var(--btn-pad-sm); font-size: .9rem; min-height: 40px; }
.btn--block { width: 100%; }
.btn[disabled], .btn.disabled { opacity: .5; cursor: not-allowed; }
.btn--text, .cta-row a:not(.btn), a.added_to_cart { display: inline-flex; align-items: center; gap: .35rem; color: var(--color-accent); font-weight: 700; text-decoration: none; position: relative; }
.btn--text:hover, .cta-row a:not(.btn):hover { color: var(--color-accent-hover); text-decoration: underline; text-underline-offset: 4px; }
.btn--text .icon { transition: transform var(--duration-fast); }
.btn--text:hover .icon { transform: translateX(4px); }
.btn--line-text { color: #fff; }
.cta-row { display: flex; flex-wrap: wrap; gap: .75rem 1rem; align-items: center; margin: 1.25rem 0 0; }
p.cta-row a:not(.btn) { padding: .55rem 1rem; border: 1px solid #fff; border-radius: var(--radius); background: var(--color-glass); color: #fff; }
p.cta-row a:not(.btn):hover { background: #fff; color: #000; text-decoration: none; }
p.cta-row a:not(.btn):first-child { background: #fff; color: #000; }
p.cta-row a:not(.btn):first-child:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; color: #fff; border-radius: 50%; position: relative; }
.icon-btn:hover { color: var(--color-accent); }
.chip { display: inline-flex; align-items: center; min-height: 40px; padding: .4rem 1rem; border-radius: var(--radius-pill); background: var(--color-glass); border: 1px solid rgba(255,255,255,.3); color: #fff; font-size: .9375rem; font-weight: 600; text-decoration: none !important; cursor: pointer; }
.chip:hover { border-color: #fff; }
.chip.is-current, .chip[aria-pressed="true"] { background: #fff; color: #000; border-color: #fff; }
.chip.series-redtop { border-color: var(--color-redtop); } .chip.series-yellowtop { border-color: var(--color-yellowtop); } .chip.series-bluetop { border-color: var(--color-bluetop-text); }
.chip-nav { display: flex; flex-wrap: wrap; gap: .5rem; margin: 1.25rem 0 1.5rem; }
.tag { display: inline-block; padding: .15rem .7rem; border-radius: var(--radius-pill); background: var(--color-glass); color: #fff; font-size: var(--fs-caption); font-weight: 600; text-decoration: none; }

/* ---------- header §10 ---------- */
.site-header { position: fixed; top: var(--header-top); left: 0; right: 0; z-index: 1000; padding-inline: max(1rem, 2.5vw); pointer-events: none; }
body.admin-bar .site-header { top: calc(var(--header-top) + 32px); }
@media (max-width: 782px) { body.admin-bar .site-header { top: calc(var(--header-top) + 46px); } }
.site-header__wrap { display: grid; grid-template-columns: auto 1fr; gap: .25rem; max-width: var(--container-max); margin-inline: auto; pointer-events: auto; padding-inline: 12px; }
@media (min-width: 1224px) { .site-header__wrap { gap: 1rem; } }
.header-burger, .site-header__bar::before { transform: skewX(var(--skew)); border: 2px solid #fff; background: var(--gradient-header); -webkit-backdrop-filter: var(--blur-header); backdrop-filter: var(--blur-header); }
/* The bar's skewed frame is a pseudo-element so the (mobile) fixed nav inside is not trapped by a transformed ancestor. */
.site-header__bar::before { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; }
.site-header__bar { isolation: isolate; }
.header-burger { width: var(--header-burger-w); height: var(--header-h); display: flex; align-items: center; justify-content: center; transition: background-color var(--duration); }
.header-burger__inner { transform: skewX(var(--skew-reverse)); display: flex; }
.burger-lines { display: grid; gap: 5px; width: 22px; }
.burger-lines span { display: block; height: 3px; background: #fff; transition: transform var(--duration-fast), opacity var(--duration-fast); }
@media (min-width: 1224px) { .burger-lines { width: 33px; gap: 6px; } .burger-lines span { height: 4px; } }
.is-menu-open .header-burger, .is-mega .header-burger { background: var(--color-primary); }
.is-mega .site-header__bar::before { background: rgba(20,20,20,.97); }
.is-menu-open .burger-lines span:nth-child(1), .is-mega .burger-lines span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.is-menu-open .burger-lines span:nth-child(2), .is-mega .burger-lines span:nth-child(2) { opacity: 0; }
.is-menu-open .burger-lines span:nth-child(3), .is-mega .burger-lines span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
.site-header__bar { min-height: var(--header-h); position: relative; }
.site-header__inner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: .5rem; min-height: calc(var(--header-h) - 4px); padding: 0 .75rem 0 1rem; }
.site-logo { display: flex; align-items: center; gap: .6rem; text-decoration: none; }
.site-logo__optima { width: 99px; height: auto; }
.site-logo__csp { width: auto; height: 26px; }
.site-logo__sep { width: 1px; height: 26px; background: rgba(255,255,255,.4); }
@media (min-width: 768px) { .site-logo__csp { height: 34px; } .site-logo__sep { height: 34px; } }
@media (min-width: 1440px) { .site-logo__optima { width: 157px; } .site-logo { padding-right: 1.5rem; } }
@media (max-width: 479px) { .site-logo__csp, .site-logo__sep { display: none; } }
.header-actions { display: flex; align-items: center; gap: .1rem; justify-self: end; }
.header-actions .icon-btn .icon { width: 25px; height: 25px; }
@media (min-width: 1224px) { .header-actions .icon-btn .icon { width: 30px; height: 30px; } .header-actions { gap: .35rem; } }
.header-line { color: #fff; }
.header-line:hover { color: #06C755; }
@media (max-width: 767px) { .header-line { display: none; } }
.cart-count { position: absolute; top: 2px; right: -2px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px; background: var(--wc-cart-count-bg); color: #fff; font: 700 .6875rem/18px var(--font-body); text-align: center; box-shadow: 0 0 0 2px #000; letter-spacing: 0; }
.cart-count.is-empty { display: none; }
.cart-count.is-bump { animation: bump .3s ease; }
@keyframes bump { 50% { transform: scale(1.3); } }
/* nav */
.site-nav { justify-self: center; }
.primary-menu { list-style: none; margin: 0; padding: 0; }
.primary-menu a { color: #fff; text-decoration: none; }
.site-nav__extras { display: none; }
@media (min-width: 1224px) {
	.primary-menu { display: flex; gap: clamp(1.25rem, 2.2vw, 2.5rem); align-items: flex-start; }
	.primary-menu > li { position: relative; }
	.primary-menu > li > a { display: block; padding: .5rem 0; font: 700 1.125rem/1.3 var(--font-heading-zh); letter-spacing: .04em; transition: color var(--duration-slow); position: relative; }
	.primary-menu > li > a::before { content: ""; position: absolute; left: -10px; top: 50%; width: 3px; height: 1.1em; transform: translateY(-50%); background: var(--color-accent); opacity: 0; transition: opacity var(--duration); }
	.primary-menu > li > a:hover, .primary-menu > li:focus-within > a, .primary-menu > li.current-menu-ancestor > a, .primary-menu > li.current-menu-item > a { color: var(--color-accent); }
	.primary-menu > li > a:hover::before { opacity: 1; }
	.primary-menu > li.menu-cta > a { color: var(--color-accent); animation: blink-cta 4s infinite; }
	@keyframes blink-cta { 0%, 70%, 100% { color: var(--color-accent); } 80% { color: #fff; } }
	.primary-menu .submenu-toggle { display: none; }
	.primary-menu .sub-menu { list-style: none; margin: 0; padding: 0; display: none; }
	.is-mega .primary-menu > li > .sub-menu { display: grid; gap: .35rem 2rem; padding: .5rem 0 1.25rem; }
	.is-mega .primary-menu > li:first-child > .sub-menu { grid-template-columns: repeat(3, max-content); }
	.primary-menu .sub-menu a { display: inline-block; padding: .2rem 0; font-size: 1rem; color: #fff; font-weight: 500; }
	.primary-menu .sub-menu a:hover { color: var(--color-accent); }
	.primary-menu .sub-menu .sub-menu { display: grid !important; gap: .15rem; padding: .25rem 0 0 .1rem; }
	.primary-menu .sub-menu .sub-menu a { font-size: .9375rem; color: var(--color-text-muted); }
	.primary-menu > li > .sub-menu > li > a { font-weight: 700; color: #fff; font-size: 1rem; border-bottom: 1px solid rgba(255,255,255,.2); margin-bottom: .2rem; padding-bottom: .3rem; }
	.primary-menu .menu-indent > a { padding-left: 1rem !important; font-size: .875rem !important; position: relative; }
	.primary-menu .menu-indent > a::before { content: "└"; position: absolute; left: 0; opacity: .5; }
	.site-header__bar { transition: min-height 1s ease-in-out; }
}
@media (max-width: 1223px) {
	.site-nav { position: fixed; inset: 0; z-index: -2; background: var(--color-surface-nav); padding: calc(var(--header-top) + var(--header-h) + 2rem) 1.25rem 2rem; overflow-y: auto; transform: translateY(-100%); transition: transform .35s ease, visibility .35s; visibility: hidden; pointer-events: auto; }
	.is-menu-open .site-nav { transform: none; visibility: visible; }
	.primary-menu > li { border-bottom: 1px solid var(--color-border-nav); padding-bottom: .5rem; margin-bottom: .5rem; display: grid; grid-template-columns: 1fr auto; align-items: center; }
	.primary-menu > li > a { font: 900 1.625rem/1.4 var(--font-heading-zh); padding: .35rem 0; }
	.primary-menu > li.menu-cta > a { color: var(--color-accent); }
	.submenu-toggle { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; color: #fff; transition: transform var(--duration-fast); }
	.submenu-toggle[aria-expanded="true"] { transform: rotate(90deg); }
	.primary-menu .sub-menu { list-style: none; margin: 0; padding: 0 0 .5rem; grid-column: 1 / -1; display: none; }
	.primary-menu li.is-open > .sub-menu { display: block; }
	.primary-menu .sub-menu .sub-menu { display: block; padding-left: 1rem; }
	.primary-menu .sub-menu a { display: block; padding: .45rem 0; color: var(--color-text-muted); font-size: 1rem; }
	.primary-menu .sub-menu > li > a { color: #fff; font-weight: 700; }
	.primary-menu .sub-menu .sub-menu a { color: var(--color-text-muted); font-weight: 400; }
	.primary-menu .menu-anchor { display: none; }
	.site-nav__extras { display: grid; gap: .5rem; margin-top: 1.5rem; }
	.nav-extra { display: flex; align-items: center; gap: .75rem; padding: .75rem 1rem; border: 1px solid rgba(255,255,255,.25); border-radius: var(--radius); color: #fff; text-decoration: none; font-weight: 600; }
	.nav-extra--line { background: #06C755; border-color: #06C755; }
}
.ext-icon { margin-left: .25em; opacity: .7; }
.mega-overlay { position: fixed; inset: 0; z-index: 900; background: var(--color-overlay); -webkit-backdrop-filter: var(--blur-overlay); backdrop-filter: var(--blur-overlay); opacity: 0; visibility: hidden; transition: opacity var(--duration), visibility var(--duration); }
.is-mega .mega-overlay, .is-menu-open .mega-overlay { opacity: 1; visibility: visible; }
.header-search { padding: 0 1.25rem 1rem; }
.search-form { display: flex; align-items: center; gap: .5rem; border-bottom: 1px solid var(--color-border-input); }
.search-field { flex: 1; min-width: 0; background: transparent; border: 0; color: #fff; padding: .75rem 0; font-size: 1.0625rem; }
.search-field:focus { outline: none; }
.search-form:focus-within { border-bottom: 2px solid var(--color-accent); }
.search-submit { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; color: #fff; }

/* ---------- page header / breadcrumbs ---------- */
.page-header { padding: calc(var(--header-top) + var(--header-h) + 2.5rem) 0 2.5rem; background: var(--gradient-section); position: relative; }
@media (min-width: 1024px) { .page-header { padding-top: calc(var(--header-top) + var(--header-h) + 4rem); padding-bottom: 3.5rem; } }
.page-header--red { background: linear-gradient(180deg, rgba(234,0,41,.35), rgba(0,0,0,0) 85%); }
.page-title { font-size: var(--fs-h1); margin: 0 0 .75rem; }
.page-intro { max-width: 860px; color: #fff; font-size: var(--fs-body-l); line-height: 1.7; }
.page-intro p:last-child { margin-bottom: 0; }
.breadcrumbs { margin-bottom: 1.25rem; font-size: .9375rem; font-weight: 600; }
.breadcrumbs ol, .breadcrumbs p { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .25rem .75rem; }
.breadcrumbs li + li::before { content: "›"; margin-right: .75rem; color: var(--color-text-muted); }
.breadcrumbs a { color: #fff; }
.breadcrumbs [aria-current] { color: var(--color-text-muted); }
@media (max-width: 767px) { .breadcrumbs li:not(:nth-last-child(2)) { display: none; } .breadcrumbs li:nth-last-child(2)::before { content: "‹"; } .breadcrumbs li + li::before { content: none; } }
.page-tabs ul { list-style: none; margin: 0 0 2rem; padding: 0; display: flex; justify-content: center; overflow-x: auto; scrollbar-width: none; }
.page-tabs li { flex: 1 1 0; min-width: max-content; max-width: 33%; }
.page-tabs a { display: block; padding: 0 1rem 1rem; text-align: center; border-bottom: 1px solid var(--color-grey); color: var(--color-text-muted); font-weight: 500; text-decoration: none; white-space: nowrap; }
@media (min-width: 1024px) { .page-tabs a { color: var(--color-text-muted); font-size: 1.375rem; font-weight: 600; } }
.page-tabs a:hover { color: #fff; }
.page-tabs a.is-current { color: #fff; border-bottom: 2px solid var(--color-primary); }

/* ---------- entry content ---------- */
.entry-content { font-size: var(--fs-body); }
.entry-content > *:last-child { margin-bottom: 0; }
.entry-content h2 { font-size: var(--fs-h3); margin-top: 2.5rem; }
.entry-content h3 { font-size: var(--fs-h5); margin-top: 1.75rem; }
.entry-content a:not(.btn) { color: var(--color-accent); text-decoration: underline; text-underline-offset: 3px; }
.entry-content li { margin-bottom: .35rem; }
.entry-content blockquote { margin: 1.5rem 0; padding: 1rem 1.25rem; border-left: 4px solid var(--color-primary); background: var(--color-surface-1); border-radius: 0 var(--radius) var(--radius) 0; }
.entry-content img { border-radius: var(--radius); margin: 1.5rem 0; }
.table-wrap { overflow-x: auto; margin: 1.25rem 0 1.5rem; border: 1px solid var(--color-border-light); border-radius: var(--radius); }
.table-wrap table { min-width: 560px; font-size: .9375rem; }
/* Two-column (label/value) spec tables fit the viewport on mobile instead of scrolling. */
.table-wrap table:not(:has(:is(td,th):nth-child(3))) { min-width: 0; }
.table-wrap table:not(:has(:is(td,th):nth-child(3))) td:first-child { width: 38%; }
.table-wrap th, .table-wrap td { padding: .75rem 1rem; text-align: left; border-bottom: 1px solid var(--color-border-light); vertical-align: top; }
.table-wrap th { background: var(--color-surface-1); font-weight: 700; white-space: nowrap; }
.table-wrap tr:last-child td { border-bottom: 0; }
.related-links { color: var(--color-text-muted); font-size: .9375rem; }
.md-section { padding-block: 2.5rem; }
.md-section:nth-of-type(even) { background: var(--gradient-section); }
@media (min-width: 1024px) { .md-section { padding-block: 3.75rem; } }
.md-section h2 { font-size: var(--fs-h2); margin-bottom: 1.25rem; }
.page-intro-block { padding-block: 2rem 0; }
.steps { list-style: none; counter-reset: step; padding: 0; display: grid; gap: .75rem; }
.steps > li { counter-increment: step; position: relative; padding: 1rem 1rem 1rem 4rem; background: var(--color-surface-1); border-radius: var(--radius); }
.steps > li::before { content: counter(step); position: absolute; left: 1rem; top: .85rem; width: 2.2rem; height: 2.2rem; display: grid; place-items: center; background: var(--color-primary); color: #fff; font: 800 italic 1.25rem var(--font-display-en); transform: skewX(var(--skew)); }
.toc { background: var(--color-surface-1); border-radius: var(--radius); padding: 1.25rem 1.5rem; margin-bottom: 2rem; }
.toc__title { font-weight: 700; margin-bottom: .5rem; }
.toc ol { margin: 0; padding-left: 0; list-style: none; } /* headings already carry their own numbers */
.toc li + li { margin-top: .35rem; }
.toc a { color: #fff; }

/* accordion §14.1 */
.accordion { border-top: 1px solid #fff; margin: 1rem 0; }
.accordion__item { border-bottom: 1px solid #fff; }
.accordion__q { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding: 1.25rem 0; cursor: pointer; }
.accordion__q::-webkit-details-marker { display: none; }
.accordion__q h3 { margin: 0; font-size: var(--fs-h5); line-height: 1.4; }
.accordion__icon { transition: transform var(--duration); flex: none; }
details[open] > summary .accordion__icon { transform: rotate(90deg); }
.accordion__a { padding: 0 0 1.5rem; color: #E6E6E6; }
.accordion__a > *:last-child { margin-bottom: 0; }
@media (min-width: 1024px) { .accordion__q { padding: 1.75rem 0 1.5rem; } .accordion__a { padding-bottom: 2.25rem; } }
.accordion__item:target, .accordion__item.is-highlight { background: rgba(255,221,0,.06); }
.seo-more > summary { list-style: none; display: flex; justify-content: space-between; align-items: center; cursor: pointer; border-bottom: 1px solid var(--color-border-light); padding-bottom: 1rem; }
.seo-more > summary::-webkit-details-marker { display: none; }
.seo-more > summary h2 { margin: 0; font-size: var(--fs-h4); }
.seo-more .entry-content { padding-top: 1.5rem; color: #ddd; }

/* ---------- cards ---------- */
.feature-cards { display: grid; gap: 20px; max-width: 1140px; margin: 0 auto 2rem; }
@media (min-width: 768px) { .feature-cards { grid-template-columns: repeat(3, 1fr); } .feature-cards--4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1224px) { .feature-cards--4 { grid-template-columns: repeat(4, 1fr); max-width: 1400px; } }
.feature-card { padding: 24px; background: linear-gradient(90deg, rgba(0,0,0,.85), rgba(0,0,0,.5)); -webkit-backdrop-filter: var(--blur-card); backdrop-filter: var(--blur-card); text-align: center; display: flex; flex-direction: column; align-items: center; gap: .75rem; }
@media (min-width: 1024px) { .feature-card { padding: 40px 32px; min-height: 296px; } }
.feature-card__num { font-size: clamp(3.5rem, 6vw, 5.5rem); line-height: .9; color: #fff; }
.feature-card__icon img { width: 88px; height: 88px; object-fit: contain; }
.feature-card__label { font: 900 var(--fs-h5)/1.35 var(--font-heading-zh); font-style: normal; margin: 0; }
p.feature-card__label { font-size: 1.0625rem; }
.feature-card__text { color: #ddd; font-size: .9375rem; text-align: left; }
.feature-card__text p:last-child { margin: 0; }
.info-cards { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.info-card a { display: flex; flex-direction: column; align-items: center; gap: .75rem; padding: 2rem 1rem; text-align: center; color: #fff; text-decoration: none; background: var(--gradient-card); border-radius: var(--radius); min-height: 185px; transition: transform var(--duration-fast); }
.info-card a:hover { transform: translateY(-4px); }
.info-card .icon { color: var(--color-accent); }
.info-card__title { font: 900 1.25rem var(--font-heading-zh); }
.info-card__text { color: var(--color-text-muted); font-size: .9375rem; }
.split-card { display: grid; gap: 1.5rem; padding: 1.75rem; background: var(--gradient-card); align-items: center; }
@media (min-width: 900px) { .split-card { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 3rem; padding: 2.5rem; } }
.split-card__media img { width: 100%; border-radius: var(--radius); object-fit: cover; aspect-ratio: 4/3; }
.split-card__media--logo, .split-card__media--map { display: grid; place-items: center; min-height: 220px; background: radial-gradient(circle at 50% 40%, rgba(255,255,255,.1), transparent 70%); border-radius: var(--radius); }
.split-card__media--logo img, .split-card__media--map img { width: min(70%, 360px); aspect-ratio: auto; object-fit: contain; }
.split-card__body h2 { font-size: var(--fs-h2); }
.empty-card { padding: 2.5rem 1.5rem; text-align: center; background: var(--gradient-card); }
.empty-card .cta-row { justify-content: center; }
.help-band { display: grid; gap: 1.5rem; padding: 2rem 1.5rem; border-radius: var(--radius); background: var(--gradient-red); align-items: center; }
@media (min-width: 900px) { .help-band { grid-template-columns: 1fr auto; padding: 3rem; } }
.help-band h2 { font-size: var(--fs-h2); margin-bottom: .5rem; }
.help-band a:not(.btn) { color: #fff; }
.help-band ul { margin-bottom: 0; }
.help-band__cta { display: flex; flex-wrap: wrap; gap: .75rem; }
.help-band .btn--secondary { background: rgba(0,0,0,.2); }

/* series spotlight §8.2 */
.series-cards { list-style: none; padding: 0 12px; margin: 0; display: grid; gap: 1.5rem; }
@media (min-width: 768px) { .series-cards { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; } }
.series-card__frame { transform: skewX(var(--skew)); overflow: hidden; height: 100%; background-color: var(--sc, var(--color-redtop)); background-image: linear-gradient(166.44deg, var(--sd, #820000) 7.71%, rgba(88,93,97,0) 49.58%, var(--sd, #820000) 86.45%); background-blend-mode: multiply; }
.series-card--redtop { --sc: var(--color-redtop); --sd: #820000; }
.series-card--yellowtop { --sc: var(--color-yellowtop); --sd: #CC9200; }
.series-card--bluetop { --sc: var(--color-bluetop); --sd: #004371; }
.series-card__inner { transform: skewX(var(--skew-reverse)); margin-inline: -12%; padding: 1.75rem 15%; display: flex; flex-direction: column; align-items: center; text-align: center; gap: .625rem; height: 100%; position: relative; }
.series-card__bg { position: absolute; inset: 0; opacity: 0; transition: opacity var(--duration-fast); pointer-events: none; }
.series-card__bg img { width: 100%; height: 100%; object-fit: contain; opacity: .15; }
.series-card__title { margin: 0; font-size: clamp(2rem, 3.2vw, 3.5rem); line-height: 1; }
.series-card__title a { color: #fff; text-decoration: none; }
.series-card__title a::after { content: ""; position: absolute; inset: 0; }
.series-card__zh { display: block; font: 900 1.125rem var(--font-heading-zh); margin-top: .25rem; font-style: normal; }
.series-card--yellowtop, .series-card--yellowtop .series-card__title a { color: #000; }
.series-card--yellowtop .series-card__title a, .series-card--yellowtop p { color: #000; }
.series-card__tag { font-weight: 700; margin: 0; font-size: 1rem; }
@media (min-width: 1024px) { .series-card__tag { font-size: 1.125rem; } }
.series-card__img img { width: 190px; height: 190px; object-fit: contain; filter: drop-shadow(0 20px 25px rgba(0,0,0,.45)); transition: transform var(--duration-fast); }
@media (min-width: 1024px) { .series-card__img img { width: 225px; height: 225px; } }
.series-card__models { font-weight: 700; font-size: .9375rem; margin: 0; }
.series-card__desc { font-size: .875rem; margin: 0; opacity: .92; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.series-card__icons img { height: 45px; width: auto; }
@media (min-width: 1024px) { .series-card__icons img { height: 59px; } }
.series-card__btn { position: relative; z-index: 2; margin-top: auto; }
.series-card:hover .series-card__img img { transform: scale(1.05); }
.series-card--yellowtop .series-card__icons img { filter: invert(1); }

/* application cards §8.3 */
.app-cards { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.app-card a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .6rem; padding: 1.5rem .75rem; min-height: 230px; background: var(--gradient-card); border-radius: var(--radius); color: #fff; text-decoration: none; text-align: center; position: relative; overflow: hidden; transition: background var(--duration-fast); }
@media (min-width: 1024px) { .app-card a { min-height: 296px; } }
.app-card a::before { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: var(--gradient-border); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; }
.app-card__icon img { width: 100px; height: 100px; transition: transform var(--duration-fast), filter var(--duration-fast); }
@media (min-width: 1024px) { .app-card__icon img { width: 130px; height: 130px; } }
.app-card__title { font: 900 1.25rem var(--font-heading-zh); }
.app-card__series { font-size: .8125rem; color: var(--color-text-muted); }
.app-card__cta { color: var(--color-accent); font-weight: 700; font-size: .9375rem; display: inline-flex; align-items: center; gap: .25rem; }
.app-card a:hover .app-card__icon img { transform: translateY(-6px); filter: drop-shadow(0 0 12px rgba(234,0,41,.9)); }
.app-card.is-current a { outline: 2px solid var(--color-primary); }

/* post cards §8.4 */
.post-grid { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
@media (min-width: 1224px) { .post-grid { grid-template-columns: repeat(4, 1fr); } .post-grid--3 { grid-template-columns: repeat(3, 1fr); } }
.post-card { background: var(--gradient-card); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.post-card__media img { width: 100%; aspect-ratio: 415/246; object-fit: cover; }
.post-card__body { padding: 1.25rem 1rem 1.5rem; display: flex; flex-direction: column; gap: .5rem; align-items: center; text-align: center; flex: 1; }
.post-card__title { font-size: 1.25rem; line-height: 1.35; margin: 0; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; font-style: normal; }
.post-card__title a { color: #fff; text-decoration: none; }
.post-card__date { color: var(--color-accent); font-size: .875rem; font-weight: 500; }
.post-card__excerpt { color: #ddd; font-size: .9375rem; margin: 0; }
.post-card__cta { margin-top: auto; width: 100%; }

/* experience cards */
.exp-cards { list-style: none; margin: 0; padding: 0 12px; display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.exp-card__frame { transform: skewX(var(--skew)); overflow: hidden; border: 2px solid #fff; height: 100%; }
.exp-card__inner { transform: skewX(var(--skew-reverse)); margin-inline: -14%; position: relative; height: 100%; }
.exp-card__inner img { width: 100%; height: 360px; object-fit: cover; transition: transform 1s; }
.exp-card:hover img { transform: scale(1.05); }
.exp-card__body { position: absolute; inset: auto 0 0; padding: 1rem 18%; background: linear-gradient(transparent, rgba(0,0,0,.9)); }
.exp-card__series { color: var(--color-accent); margin: 0; font-size: 1rem; }
.exp-card__title { font: 900 1.25rem var(--font-heading-zh); margin: 0 0 .25rem; }
.exp-card__tbd { font-size: .75rem; margin: 0; }

/* ---------- front page ---------- */
.hero { position: relative; min-height: min(100svh, 440px); display: flex; flex-direction: column; overflow: hidden; }
@media (min-width: 1024px) { .hero { min-height: min(100svh, 815px); } }
@media (min-width: 1224px) { .hero { min-height: min(100svh, 960px); } }
.hero__slides { position: relative; flex: 1; display: grid; }
.hero__slide { grid-area: 1 / 1; position: relative; display: flex; flex-direction: column; justify-content: flex-end; padding: calc(var(--header-top) + var(--header-h) + 2rem) 0 5rem; opacity: 1; transition: opacity .8s; }
.hero__slide[hidden] { display: flex; opacity: 0; visibility: hidden; }
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; object-position: 75% 50%; }
@media (min-width: 768px) { .hero__bg img { object-position: center top; } }
.hero__bg::after { content: ""; position: absolute; inset: 0; background: var(--gradient-hero-overlay); }
.hero__content { position: relative; z-index: 2; }
.hero__kicker { color: var(--color-accent); font-size: clamp(1.25rem, 2.6vw, 2.75rem); margin: 0 0 .5rem; line-height: 1; }
.hero__title { margin: 0 0 1rem; display: flex; flex-direction: column; gap: .35rem; max-width: 980px; }
.hero__title-zh { font: 900 clamp(2rem, 5.2vw, 4.5rem)/1.12 var(--font-heading-zh); font-style: normal; }
.hero__title-en { font-size: clamp(1.75rem, 4.4vw, 4.75rem); line-height: .9; color: #fff; }
.hero__text { max-width: 640px; font-size: var(--fs-body-l); margin-bottom: 1.5rem; }
.hero__cta { display: flex; flex-wrap: wrap; gap: .75rem 1rem; align-items: center; }
.hero__product { position: relative; z-index: 1; margin: -1rem auto 0; width: min(100%, 720px); padding-inline: 1rem; order: -1; }
.hero__product img { width: 100%; filter: drop-shadow(0 30px 40px rgba(0,0,0,.6)); }
@media (min-width: 1024px) {
	.hero__slide { justify-content: center; padding-bottom: 6rem; }
	.hero__product { position: absolute; right: 1vw; bottom: 12%; width: min(48vw, 980px); order: 0; margin: 0; }
	.hero__content { padding-right: 50vw; }
	.hero__slide:not(:first-child) .hero__content { padding-right: 30vw; }
}
.hero__controls { position: absolute; left: 0; right: 0; bottom: 1.25rem; z-index: 5; display: flex; align-items: center; justify-content: center; gap: .5rem; }
.slider-btn { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; color: #fff; border-radius: 50%; }
.slider-btn:hover { background: var(--color-glass); }
.slider-dots { display: flex; gap: .5rem; align-items: center; }
.slider-dot { width: 22px; height: 3px; background: #fff; opacity: .6; transition: width var(--duration), background-color var(--duration); position: relative; }
.slider-dot::before { content: ""; position: absolute; inset: -12px -2px; }
@media (min-width: 1024px) { .slider-dot { width: 32px; } }
.slider-dot.is-active { width: 48px; background: var(--color-accent); opacity: 1; }
.slider-pause .icon-play, .is-paused .slider-pause .icon-pause { display: none; }
.is-paused .slider-pause .icon-play { display: inline-block; }
.home-finder { position: relative; z-index: 3; margin-top: -1rem; }
.home-lines .ln-strip { margin-top: 1.5rem; }
.ln-strip { display: grid; gap: 1rem 2rem; align-items: center; padding: 1.25rem 1.5rem; background: var(--gradient-card); }
@media (min-width: 900px) { .ln-strip { grid-template-columns: 140px 1fr auto; } }
.ln-strip__img img { width: 140px; height: 140px; object-fit: contain; }
.ln-strip h3 { font-size: var(--fs-h4); margin-bottom: .35rem; }
.ln-strip p { margin: 0; color: #ddd; }
.ln-strip__cta { display: flex; flex-wrap: wrap; gap: .75rem; }
.home-tech { overflow: hidden; }
.home-tech__bg { position: absolute; inset: 0; z-index: -1; }
.home-tech__bg img { width: 100%; height: 100%; object-fit: cover; opacity: .35; }
.home-tech__bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #000 20%, rgba(0,0,0,.4)); }
.home-tech__grid { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 1024px) { .home-tech__grid { grid-template-columns: 1.1fr .9fr; } }
.home-tech__img img { width: 100%; max-width: 560px; margin-inline: auto; filter: drop-shadow(0 20px 30px rgba(0,0,0,.7)); }
.home-faq__grid { display: grid; gap: 1.5rem 3rem; }
@media (min-width: 1024px) { .home-faq__grid { grid-template-columns: 1fr 2fr; } }
.link-list ul { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--color-border-light); }
.link-list li { border-bottom: 1px solid var(--color-border-light); margin: 0; }
.link-list a { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 0; color: #fff; text-decoration: none; font-weight: 600; font-size: 1.0625rem; }
.link-list a::after { content: "›"; color: var(--color-accent); font-size: 1.5rem; line-height: 1; }
.link-list a:hover { color: var(--color-accent); }

/* finder card (front / batteries / shop) */
.finder-card { padding: 0 14px; margin-block: 2rem; }
.finder-card__frame { transform: skewX(var(--skew)); border: 3px solid #fff; background: #000; }
.finder-card__inner { transform: skewX(var(--skew-reverse)); display: grid; gap: 1.25rem 2rem; padding: 1.5rem 1.75rem; }
@media (min-width: 1024px) { .finder-card__inner { grid-template-columns: 1.15fr 1fr 1fr 1.2fr; align-items: start; padding: 2rem 3rem; } }
.finder-card__head h2 { font-size: var(--fs-h4); margin-bottom: .35rem; }
.finder-card__head p { margin: 0; color: #ddd; font-size: .9375rem; }
.finder-card label, .finder-card__label { display: block; font-weight: 700; font-size: .9375rem; margin-bottom: .5rem; }
.finder-card__note { font-size: .8125rem; color: var(--color-text-muted); margin: .5rem 0 0; }
.finder-card__row { display: flex; gap: .5rem; }
.finder-card__row .select { flex: 1; min-width: 0; }
.finder-card__models ul { list-style: none; padding: 0; margin: 0 0 .75rem; display: flex; flex-wrap: wrap; gap: .4rem; }
.finder-card__models .chip { min-height: 34px; padding: .25rem .75rem; font-size: .8125rem; }
.btn--vehicle { width: 100%; white-space: normal; text-align: left; }
.select, select { appearance: none; background: #000 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23fff' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='m5 9 7 7 7-7'/%3E%3C/svg%3E") no-repeat right 1rem center; border: 1px solid rgba(255,255,255,.6); border-radius: var(--radius); color: #fff; padding: .7rem 2.5rem .7rem 1rem; min-height: 44px; font-weight: 500; }
select:focus-visible { outline: 2px solid var(--color-accent); }
select option { background: #141414; color: #fff; }

/* ---------- series page ---------- */
.series-hero { position: relative; padding: calc(var(--header-top) + var(--header-h) + 2rem) 0 2.5rem; overflow: hidden; }
.series-hero__bg { position: absolute; inset: 0; z-index: -1; opacity: .9; }
.series-hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.series-page--yellowtop .series-hero__bg img { filter: hue-rotate(45deg) saturate(1.3); }
.series-page--bluetop .series-hero__bg img { filter: hue-rotate(210deg); }
.series-hero::after { content: ""; position: absolute; inset: auto 0 0; height: 40%; background: linear-gradient(transparent, #000); z-index: -1; }
.series-hero__grid { display: grid; gap: 1rem 2rem; align-items: center; }
@media (min-width: 1024px) { .series-hero__grid { grid-template-columns: 1.2fr .8fr; min-height: 640px; } }
.series-hero__name { font-size: var(--fs-line-en); line-height: .78; margin: 0 0 .5rem; color: #fff; opacity: .95; }
@media (min-width: 1024px) { .series-hero__name { font-size: clamp(5rem, 11vw, 13rem); } }
.series-hero__title { font-size: var(--fs-h2); margin: 0 0 .5rem; }
.series-hero__intro { max-width: 760px; }
.series-hero__img img { width: min(100%, 560px); margin-inline: auto; filter: drop-shadow(0 30px 40px rgba(0,0,0,.6)); }
.jump-links { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin-top: 1.25rem; font-weight: 700; }
.jump-links a { padding: .3rem .9rem; border: 1px solid #fff; border-radius: var(--radius-pill); color: #fff; text-decoration: none; font-size: .9375rem; }
.jump-links a:hover { background: #fff; color: #000; }
.series-icons { display: flex; justify-content: center; margin-top: 1rem; }
.series-icons img { height: 59px; width: auto; }
.xref-dl { display: grid; gap: .5rem 1.5rem; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); margin: 0 0 1.5rem; padding: 1rem 1.25rem; background: var(--color-surface-1); border-left: 3px solid var(--color-primary); border-radius: 0 var(--radius) var(--radius) 0; }
.xref-dl div { min-width: 0; }
.xref-dl dt { color: var(--color-text-muted); font-size: .8125rem; font-weight: 600; }
.xref-dl dd { margin: 0; font-weight: 700; font-size: 1.0625rem; }
.xref-note { font-size: .8125rem; color: var(--color-text-muted); }

/* application / tech / support heroes */
.app-hero, .tech-hero, .support-hero { position: relative; padding: calc(var(--header-top) + var(--header-h) + 3rem) 0 3rem; overflow: hidden; }
@media (min-width: 1024px) { .app-hero, .tech-hero { min-height: 620px; display: flex; align-items: flex-end; } .support-hero { padding-bottom: 4rem; } }
.support-hero--short { min-height: 0 !important; }
.app-hero__bg, .tech-hero__bg, .support-hero__bg { position: absolute; inset: 0; z-index: -1; }
.app-hero__bg img, .tech-hero__bg img, .support-hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.app-hero__bg::after, .tech-hero__bg::after, .support-hero__bg::after { content: ""; position: absolute; inset: 0; background: var(--gradient-hero-overlay); }
.app-hero__en, .tech-hero__en { font-size: clamp(3rem, 9vw, 9rem); line-height: .8; margin: 0 0 .5rem; }
.tech-section { padding-block: 3rem; }
@media (min-width: 1024px) { .tech-section { padding-block: 5rem; } }
.tech-section__grid { display: grid; gap: 2rem; align-items: center; }
@media (min-width: 1024px) { .tech-section__grid { grid-template-columns: 1fr 1fr; gap: 4rem; } .tech-section--flip .tech-section__img { order: -1; } }
.tech-section h2 { font-size: var(--fs-h2); }
.tech-section__img img { width: 100%; border-radius: var(--radius); }
.tech-section--red { background: var(--gradient-red); clip-path: polygon(0 3vw, 100% 0, 100% calc(100% - 3vw), 0 100%); padding-block: calc(3rem + 3vw); }
.tech-section--red .entry-content a { color: #fff; }
.tech-section--red .kicker { color: #fff; }

/* finder page */
.vehicle-card { display: grid; gap: 1.25rem 2rem; align-items: center; padding: 2rem 1.5rem; border-radius: var(--radius); background: var(--gradient-red); }
@media (min-width: 900px) { .vehicle-card { grid-template-columns: auto 1fr auto; padding: 2.5rem 3rem; } }
.vehicle-card .kicker { color: #fff; }
.vehicle-card h2 { font-size: var(--fs-h2); margin-bottom: .5rem; }
.vehicle-card p { margin: 0; }
.vehicle-card__icon { width: 96px; height: 96px; border: 3px solid #fff; display: grid; place-items: center; transform: skewX(var(--skew)); }
.vehicle-card__icon .icon { transform: skewX(var(--skew-reverse)); }
.vehicle-card .btn--accent { background: #fff; color: #000; border-color: #fff; }
.vehicle-card .btn--accent:hover { background: #000; color: #fff; }
.finder-filters { display: grid; gap: 1rem; margin: 1.5rem 0 1rem; align-items: end; }
@media (min-width: 900px) { .finder-filters { grid-template-columns: repeat(3, 1fr) auto; } }
.field label { display: block; font-weight: 700; font-size: .875rem; margin-bottom: .4rem; }
.field .select { width: 100%; }
.finder-count { color: var(--color-text-muted); margin-bottom: 1rem; }
.finder-results { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.finder-result { display: grid; grid-template-columns: 120px minmax(0, 1fr); min-width: 0; gap: 1rem; padding: 1.25rem; background: var(--gradient-card); border-radius: var(--radius); border-top: 3px solid var(--sc, #fff); }
.finder-result.series-redtop { --sc: var(--color-redtop); } .finder-result.series-yellowtop { --sc: var(--color-yellowtop); } .finder-result.series-bluetop { --sc: var(--color-bluetop); }
.finder-result[hidden] { display: none; }
.finder-result.is-match { outline: 2px solid var(--color-accent); }
.finder-result__img img { width: 120px; height: 120px; object-fit: contain; }
.finder-result__title { font-size: 1.25rem; margin: 0 0 .5rem; font-style: normal; }
.finder-result__specs { margin: 0; display: grid; gap: .2rem; font-size: .875rem; }
.finder-result__specs div { display: grid; grid-template-columns: 7.5em minmax(0, 1fr); gap: .5rem; }
.finder-result > * { min-width: 0; }
.finder-result__title, .finder-result__specs dd { overflow-wrap: anywhere; }
.finder-result .cta-row { flex-wrap: wrap; }
.finder-result__specs dt { color: var(--color-text-muted); }
.finder-result__specs dd { margin: 0; }
.finder-result .cta-row { margin-top: .75rem; }
.finder-result .btn { padding: .4rem .8rem; font-size: .875rem; min-height: 38px; }

/* badges §9 */
.badge--series { font-size: .875rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; margin: 0; }
.series-redtop .badge--series, .series-card--redtop .badge--series { color: var(--color-primary-text); }
.series-yellowtop .badge--series { color: var(--color-yellowtop); }
.series-bluetop .badge--series { color: var(--color-bluetop-text); }
.badge--official { display: inline-block; border: 1px solid #fff; border-radius: var(--radius-pill); font-size: .75rem; font-weight: 600; padding: .15rem .65rem; }
.badge--sale, .onsale { display: inline-block; background: var(--wc-badge-sale-bg); color: #fff; transform: skewX(var(--skew)); padding: .25rem .75rem; font-size: .8125rem; font-weight: 700; }
.badge--sale > span, .onsale > span { display: inline-block; transform: skewX(var(--skew-reverse)); }

/* dealers */
.dealer-group { margin-bottom: 2.5rem; }
.dealer-group[hidden] { display: none; }
.dealer-group__title { display: flex; align-items: center; gap: .5rem; font-size: var(--fs-h4); border-bottom: 1px solid var(--color-border-light); padding-bottom: .75rem; margin-bottom: 1.25rem; }
.dealer-group__count { margin-left: auto; font: 500 .875rem var(--font-body); color: var(--color-text-muted); }
.dealer-cards { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); }
.dealer-card { padding: 1.5rem; background: var(--gradient-card); display: flex; flex-direction: column; gap: .75rem; }
.dealer-card__name { font-size: 1.25rem; margin: 0; font-style: normal; }
.dealer-card__note { color: var(--color-text-muted); font-size: .8125rem; margin: -.4rem 0 0; }
.dealer-card__meta { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; font-size: .9375rem; }
.dealer-card__meta li { display: grid; grid-template-columns: 20px 1fr; gap: .6rem; align-items: start; }
.dealer-card__meta .icon { color: var(--color-accent); margin-top: .2rem; }
.dealer-card__hours-note { display: block; color: var(--color-text-muted); font-size: .8125rem; margin-top: .15rem; }
.dealer-card__actions { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-top: auto; }
.dealer-card__social { display: inline-flex; gap: .1rem; margin-left: auto; }
.wtb-note { color: var(--color-text-muted); font-size: .875rem; }

/* contact / company */
.contact-grid { display: grid; gap: 1.25rem; }
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-card { padding: 2rem 1.5rem; background: var(--gradient-card); }
.contact-card h2 { font-size: var(--fs-h3); }
.contact-card__line { display: flex; align-items: center; gap: .75rem; font-size: 1.75rem; color: #06C755; }
.contact-card__line strong { color: #fff; font-family: var(--font-body); }
.contact-card__logo img { width: 200px; margin-bottom: 1rem; }
.company-list, .footer-company { list-style: none; padding: 0; margin: 0 0 1rem; display: grid; gap: .55rem; }
.company-list li, .footer-company li { display: grid; grid-template-columns: 18px 5.5em 1fr; gap: .5rem; align-items: start; }
.company-list .company-list__name, .footer-company .company-list__name { display: flex; flex-wrap: wrap; gap: .1rem .6rem; align-items: baseline; }
.company-list__en, .company-list__role { font-size: .8125rem; opacity: .8; }
.company-list__label { color: var(--color-text-muted); font-size: .875rem; }
.company-list .icon { margin-top: .2rem; color: var(--color-accent); }
.company-list a, .footer-company a { color: inherit; }
.company-site-note, .footer-site-note { font-size: .9375rem; }
.warranty-card { display: flex; gap: 1.25rem; align-items: center; padding: 1.5rem 2rem; background: var(--gradient-card); font-size: var(--fs-h5); font-weight: 700; }
.warranty-card .icon { color: var(--color-accent); }
.warranty-card p { margin: 0; }
.form-card { padding: 2rem 1.25rem; background: var(--gradient-section); border-radius: var(--radius); }
@media (min-width: 768px) { .form-card { padding: 2.5rem; } }
.form-grid { display: grid; gap: 1.25rem 1.5rem; }
@media (min-width: 768px) { .form-grid { grid-template-columns: 1fr 1fr; } .form-grid .is-wide { grid-column: 1 / -1; } }
.form-row label, .form-field label { display: block; font-weight: 600; font-size: .875rem; margin-bottom: .35rem; }
.input-text, input[type="text"], input[type="email"], input[type="tel"], input[type="password"], input[type="number"], input[type="search"]:not(.search-field):not(.faq-search__input), textarea { width: 100%; background: transparent; border: 0; border-bottom: 1px solid var(--color-border-input); border-radius: 0; color: #fff; padding: .5rem 0; min-height: 2.75rem; }
textarea { border: 1px solid #fff; border-radius: var(--radius-sm); padding: .9375rem; min-height: 160px; }
input:focus, textarea:focus { outline: none; border-bottom: 2px solid var(--color-accent); }
input:-webkit-autofill { -webkit-box-shadow: 0 0 0 1000px #000 inset; -webkit-text-fill-color: #fff; }
.required, abbr.required { color: var(--color-primary); text-decoration: none; }
input[type="checkbox"], input[type="radio"] { width: 20px; height: 20px; accent-color: var(--color-primary); vertical-align: middle; }

/* FAQ hub */
.faq-hub__tools { padding-top: 2rem; }
.faq-search { display: flex; align-items: center; gap: .75rem; border: 1px solid rgba(255,255,255,.6); border-radius: var(--radius); padding: 0 1rem; }
.faq-search__input { flex: 1; background: transparent; border: 0; color: #fff; padding: .9rem 0; font-size: 1.0625rem; min-width: 0; }
.faq-search__input:focus { outline: none; }
.faq-search:focus-within { border-color: var(--color-accent); }
.faq-group[hidden], .accordion__item[hidden] { display: none; }
.faq-hub__count { color: var(--color-text-muted); font-size: .875rem; }
.faq-block { padding-block: 2.5rem; }
.faq-block__more { margin-top: 1rem; }

/* single article */
.article__header { padding: calc(var(--header-top) + var(--header-h) + 2.5rem) 0 1.5rem; background: var(--gradient-section); }
.article__title { font-size: var(--fs-h2); margin: .75rem 0; }
.article__meta { display: flex; flex-wrap: wrap; gap: .25rem 1rem; color: var(--color-text-muted); font-size: .875rem; }
.article__hero img { width: 100%; border-radius: var(--radius); }
.article__body { padding-block: 2rem 3rem; }
.article__body .entry-content { font-size: 1.0625rem; line-height: 1.85; }
.article__tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2rem; }
.policy-grid { display: grid; gap: 2rem; padding-block: 2.5rem 4rem; }
@media (min-width: 1024px) { .policy-grid { grid-template-columns: 280px minmax(0, 1fr); } .toc--sticky { position: sticky; top: calc(var(--header-top) + var(--header-h) + 2rem); align-self: start; } }
.policy-body { max-width: 860px; }
.search-page__form { max-width: 640px; }
.search-results { list-style: none; padding: 0; }
.search-result { padding: 1.25rem 0; border-bottom: 1px solid var(--color-border-light); }
.search-result__title { font-size: 1.375rem; margin: .5rem 0; font-style: normal; }
.search-result__title a { color: #fff; }
.page-404 { padding: calc(var(--header-top) + var(--header-h) + 4rem) 0 5rem; text-align: center; }
.page-404__code { font-size: clamp(6rem, 20vw, 14rem); line-height: .8; color: var(--color-primary); margin: 0; }
.page-404 .search-form { max-width: 520px; margin: 1.5rem auto; }
.page-404 .cta-row { justify-content: center; }
.nav-links { display: flex; gap: .5rem; justify-content: center; margin: 2rem 0; }
.page-numbers { min-width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.3); border-radius: var(--radius); color: #fff; text-decoration: none; }
.page-numbers.current { background: #fff; color: #000; }
.blog-index__about { margin-block: 3rem; color: #ddd; }

/* ---------- footer §11 ---------- */
.site-footer { margin-top: var(--space-section-lg); }
.footer-top { padding: 1.5rem 0 4.625rem; }
@media (min-width: 1024px) { .footer-top { padding: 4rem 0 5rem; } }
.line-card { max-width: 995px; margin-inline: auto; display: grid; gap: 1rem 1.75rem; align-items: center; padding: 1.75rem 1.5rem; background: var(--gradient-card); text-align: center; justify-items: center; }
@media (min-width: 768px) { .line-card { grid-template-columns: auto 1fr auto; text-align: left; justify-items: start; padding: 2rem 2.5rem; } }
.line-card__icon { width: 80px; height: 80px; border-radius: 20px; background: #06C755; display: grid; place-items: center; color: #fff; }
.line-card h2 { font-size: var(--fs-h4); margin-bottom: .35rem; }
.line-card p { margin: 0; }
.line-card__id { margin-top: .4rem !important; color: var(--color-text-muted); }
.line-card__id strong { color: #fff; font-size: 1.125rem; }
.footer-bar { position: relative; height: 15px; background: #fff; }
@media (min-width: 1024px) { .footer-bar { height: 27px; } }
.footer-zero { position: absolute; right: 20px; bottom: -50px; width: 75px; height: 115px; }
@media (min-width: 1024px) { .footer-zero { right: 96px; bottom: -111px; width: 162px; height: 249px; } }
.footer-zero { filter: drop-shadow(0 0 0 #000); }
.footer-main { background: var(--gradient-red); padding: 3.375rem 0 6rem; }
@media (min-width: 1024px) { .footer-main { padding: 6.875rem 0 2.625rem; } }
.footer-grid { display: grid; gap: 2rem; }
@media (min-width: 1024px) { .footer-grid { grid-template-columns: minmax(280px, 25%) 1fr; gap: 3rem; } }
.footer-logo img { width: min(100%, 300px); margin: 0 auto 1.5rem; }
@media (min-width: 1024px) { .footer-logo img { margin-inline: 0; width: min(100%, 360px); } }
.footer-csp { display: flex; align-items: center; gap: .75rem; margin-bottom: 1.25rem; }
.footer-csp__logo { width: 120px; height: auto; }
.footer-csp p { margin: 0; font-weight: 700; }
.footer-company { font-size: .875rem; }
.footer-company .icon { color: #fff; margin-top: .15rem; }
.footer-company .company-list__label { color: rgba(255,255,255,.85); }
.footer-company .tbd, .footer-legal .tbd { color: #fff; background: rgba(0,0,0,.25); border-color: rgba(255,255,255,.5); }
.footer-site-note a, .footer-legal a { color: #fff; }
.footer-cols { display: grid; gap: 0; }
@media (min-width: 1024px) { .footer-cols { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 2rem; } }
.footer-col { border-bottom: 3px solid rgba(255,255,255,.2); }
@media (min-width: 1024px) { .footer-col { border: 0; } }
.footer-col__title { margin: 0; font: 900 1.25rem var(--font-heading-zh); font-style: normal; }
.footer-col__toggle { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 1.25rem 0; color: #fff; font: inherit; }
.footer-col__toggle .icon { transition: transform var(--duration-fast); }
.footer-col__toggle[aria-expanded="true"] .icon { transform: rotate(90deg); }
.footer-col__label { display: none; }
.footer-col__title--static { padding: 1.25rem 0; }
.footer-menu { list-style: none; padding: 0 0 1.25rem; margin: 0; display: none; gap: 1rem; }
.footer-col.is-open .footer-menu { display: grid; }
@media (min-width: 1024px) {
	.footer-col__toggle { display: none; }
	.footer-col__label { display: block; margin-bottom: 1.25rem; }
	.footer-col__title--static { padding: 0 0 1.25rem; }
	.footer-menu { display: grid; padding: 0; }
}
.footer-menu a, .footer-social a { color: #fff; font-weight: 600; text-decoration: none; background: linear-gradient(#fff, #fff) no-repeat 0 100% / 0 1px; transition: background-size var(--duration); padding-bottom: 2px; }
.footer-menu a:hover, .footer-social a:hover { background-size: 100% 1px; }
.footer-social { list-style: none; padding: 0 0 1.25rem; margin: 0; display: grid; gap: .9rem; }
.footer-social a { display: inline-flex; align-items: center; gap: .6rem; }
.footer-legal { display: flex; flex-direction: column; gap: 1rem; align-items: center; text-align: center; margin-top: 3rem; font-size: .875rem; font-weight: 600; }
@media (min-width: 1024px) { .footer-legal { flex-direction: row; justify-content: space-between; text-align: left; margin-top: 5rem; } }
.footer-copy { margin: 0; }
.legal-menu { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; justify-content: center; }
.legal-menu a { text-decoration: underline; }

/* floating finder tab §14.6 + LINE button */
.finder-tab { position: fixed; left: 1rem; bottom: 1.25rem; z-index: 950; padding-left: 8px; }
@media (min-width: 1024px) { .finder-tab { left: 3rem; bottom: 1.25rem; } }
.finder-tab__btn { display: inline-flex; align-items: center; gap: .5rem; transform: skewX(var(--skew)); background: var(--color-primary); border: 3px solid #fff; color: #fff; padding: .45rem 1.1rem; font: 900 1.125rem var(--font-heading-zh); box-shadow: 0 6px 18px rgba(0,0,0,.5); animation: tab-flash 10s infinite; }
.finder-tab__btn > * { transform: skewX(var(--skew-reverse)); }
@media (min-width: 1024px) { .finder-tab__btn { font-size: 1.375rem; padding: .55rem 1.4rem; } }
.finder-tab__plus { transition: transform var(--duration-fast); display: inline-flex; }
.finder-tab.is-open .finder-tab__plus { transform: skewX(var(--skew-reverse)) rotate(45deg); }
@keyframes tab-flash { 0%, 95%, 100% { box-shadow: 0 6px 18px rgba(0,0,0,.5); } 97% { box-shadow: 0 0 24px 4px rgba(255,255,255,.9); } }
.finder-panel { position: absolute; left: 0; bottom: calc(100% + .75rem); width: min(92vw, 380px); background: #000; border: 3px solid #fff; border-radius: var(--radius); box-shadow: 0 20px 40px rgba(0,0,0,.6); }
.finder-panel__inner { display: grid; gap: 1rem; padding: 1.25rem; max-height: 70vh; overflow-y: auto; }
.finder-panel__title { font-weight: 700; font-size: .875rem; color: var(--color-text-muted); margin: 0 0 .4rem; display: block; }
.finder-panel__row { display: flex; gap: .5rem; }
.finder-panel__row .select { flex: 1; min-width: 0; }
.finder-panel__models { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.finder-panel__models a { display: inline-block; padding: .3rem .7rem; border: 1px solid rgba(255,255,255,.4); border-radius: var(--radius-pill); color: #fff; font-size: .8125rem; text-decoration: none; }
.finder-panel__models a:hover { border-color: var(--color-accent); color: var(--color-accent); }
.line-float { position: fixed; right: 1rem; bottom: 1.25rem; z-index: 950; width: 56px; height: 56px; border-radius: 50%; background: #06C755; color: #fff; display: grid; place-items: center; box-shadow: 0 6px 18px rgba(0,0,0,.45); transition: transform var(--duration-fast); }
.line-float:hover { transform: scale(1.06); color: #fff; }
@media (min-width: 1024px) { .line-float { right: 2rem; bottom: 2rem; } }
.is-commerce-flow .finder-tab, .is-commerce-flow .line-float { display: none; }
body.has-sticky-buy .finder-tab, body.has-sticky-buy .line-float { bottom: 5.5rem; }

@media print { .site-header, .finder-tab, .line-float, .site-footer, .mini-cart { display: none !important; } body { background: #fff; color: #000; } }

/* misc components */
.hp-field { position: absolute !important; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.notice { display: flex; gap: .6rem; align-items: center; padding: 1rem 1.25rem; border-radius: var(--radius); margin-bottom: 1.25rem; font-weight: 600; }
.notice--success { background: rgba(75,202,129,.15); border: 1px solid var(--color-success); }
.notice--error { background: rgba(234,0,41,.15); border: 1px solid var(--color-primary); }
.form-card__title { font-size: var(--fs-h4); margin-bottom: 1.25rem; }
.optima-form .field { margin: 0; }
.optima-form .field label { display: block; font-weight: 600; font-size: .875rem; margin-bottom: .35rem; }
@media (min-width: 768px) { .optima-form .field--full { grid-column: 1 / -1; } }
.optima-form .select { width: 100%; }
.field-note { color: var(--color-text-muted); font-size: .875rem; margin: 1rem 0; }
.field-note a, .field--check a { color: var(--color-accent); }
.field--check label { display: flex; gap: .6rem; align-items: center; font-weight: 500; }
.field--check { margin: 0 0 1.25rem; }
.finder-panel__group--line .btn { width: 100%; }
.finder-empty { padding: 2rem; text-align: center; background: var(--gradient-card); border-radius: var(--radius); }
.finder-empty[hidden] { display: none; }
.finder-vehicle { margin-bottom: 2rem; }
.finder-tool { padding-block: 2rem; }
.help-band__body > *:last-child { margin-bottom: 0; }
.line-id { white-space: nowrap; }
.xref-section { padding-block: 2.5rem; }
.xref-section h2 { font-size: var(--fs-h3); }
.xref-table td:first-child, .xref-table th:first-child { font-weight: 700; }
.xref-table a { color: var(--color-accent); }
.series-features { padding-block: 2.5rem 1rem; }
.series-products { padding-block: 2.5rem; }
.comments { margin-top: 3rem; }
.comment-list { list-style: none; padding: 0; }
.comment-list .comment-body { padding: 1rem 0; border-bottom: 1px solid var(--color-border-light); }
.comment-form textarea { margin-top: .35rem; }
.search-count { color: var(--color-text-muted); }
.related-posts, .related-products { padding-block: 2.5rem; }
.faq-list { margin-top: 1rem; }
.faq-hub__empty { padding: 2rem 0; color: var(--color-text-muted); }
.wtb-list { padding-block: 2rem; }
.contact-top { padding-block: 2.5rem; }
.home-seo { padding-block: 2.5rem; }
.home-seo .container { max-width: 1100px; }
.page-header--tabs { padding-bottom: 0; }
.page-header--tabs .page-tabs ul { margin-top: 2rem; margin-bottom: 0; }
.footer-brand .footer-site-note { margin-top: .25rem; }
.vehicle-card__cta { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero__title--h2 .hero__title-zh { font-size: clamp(1.75rem, 4.4vw, 3.75rem); }
.app-hero__content, .tech-section__body { position: relative; }
@media (max-width: 1223px) { .menu-anchor { display: none !important; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; } }
.xref-flag { display: inline-block; margin-left: .35rem; padding: .05rem .5rem; border: 1px solid rgba(255,221,0,.6); border-radius: var(--radius-pill); color: var(--color-accent); font-size: .75rem; font-weight: 600; line-height: 1.5; vertical-align: middle; white-space: normal; }
.xref-table table { min-width: 860px; }
.xref-table__img { width: 64px; padding-block: .35rem !important; }
.xref-thumb { width: 56px; height: 56px; object-fit: contain; }
.xref-table tr.is-sold td { background: rgba(255,255,255,.04); }
.xref-table td.num strong { font-size: 1rem; letter-spacing: .02em; }

/* grid items never force horizontal overflow */
.tech-section__grid > *, .home-tech__grid > *, .split-card > *, .series-hero__grid > *, .pdp-main > *, .policy-grid > *, .footer-grid > *, .contact-grid > *, .help-band > *, .vehicle-card > *, .finder-card__inner > * { min-width: 0; }
.entry-content { overflow-wrap: anywhere; }
/* tall skewed frames: straight on small screens (a −12° skew on a tall box shifts it sideways) */
@media (max-width: 767px) {
	.finder-card { padding: 0; }
	.finder-card__frame, .finder-card__inner, .series-card__frame, .series-card__inner { transform: none; }
	.series-card__inner { margin-inline: 0; padding: 1.75rem 1.25rem; }
	.series-cards, .exp-cards { padding: 0; }
	.exp-card__frame, .exp-card__inner { transform: none; }
	.exp-card__inner { margin-inline: 0; }
	.exp-card__body { padding: 1rem; }
}
[id] { scroll-margin-top: calc(var(--header-top) + var(--header-h) + 1rem); }
.anchor-alias { display: block; height: 0; }
.wtb-regions { margin-top: 2rem; }
.wtb-regions__title { font-size: 1.125rem; margin: 0 0 .75rem; }
.wtb-regions__list { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; }
.wtb-regions__list .chip { text-decoration: none; }
/* Full-bleed home hero (user feedback 2026-10-09): edge-to-edge image behind the glass header */
.hero { min-height: max(88svh, 600px); }
@media (min-width: 1024px) { .hero { min-height: max(100svh, 720px); } }
@media (min-width: 1224px) { .hero { min-height: clamp(760px, 100svh, 1200px); } }
.hero__bg--full picture, .hero__bg--full img { display: block; width: 100%; height: 100%; }
.hero__bg--full img { object-fit: cover; object-position: 50% 0; }
.hero__bg--full::after { background: linear-gradient(180deg, rgba(0,0,0,.55) 0%, rgba(0,0,0,0) 22%, rgba(0,0,0,0) 42%, rgba(0,0,0,.85) 68%, #000 100%); }
@media (min-width: 768px) {
	.hero__bg--full img { object-position: 55% 50%; }
	.hero__bg--full::after { background: linear-gradient(90deg, rgba(0,0,0,.92) 0%, rgba(0,0,0,.75) 28%, rgba(0,0,0,0) 58%), linear-gradient(180deg, rgba(0,0,0,.5) 0%, rgba(0,0,0,0) 20%, rgba(0,0,0,0) 78%, rgba(0,0,0,.9) 100%); }
}
@media (min-width: 1024px) {
	.hero__slide--full { justify-content: center; }
	.hero__slide--full .hero__content { padding-right: 52vw; }
}
@media (min-width: 768px) and (max-width: 1023px) { .hero__slide--full .hero__content { padding-right: 38vw; } .hero__slide--full { justify-content: flex-end; } }
@media (max-width: 767px) { .hero__slide--full { justify-content: flex-end; padding-bottom: 4.5rem; } }
/* Product-line cards: skew only the background layer so no text is clipped (user feedback 2026-10-09). */
.series-card { position: relative; }
.series-card__frame { transform: none; overflow: visible; background: none; position: relative; isolation: isolate; }
.series-card__frame::before { content: ""; position: absolute; inset: 0; z-index: -1; background-color: var(--sc, var(--color-redtop)); background-image: linear-gradient(166.44deg, var(--sd, #820000) 7.71%, rgba(88,93,97,0) 49.58%, var(--sd, #820000) 86.45%); background-blend-mode: multiply; }
.series-card__inner { transform: none; margin-inline: 0; padding: 1.75rem 1.5rem 2rem; overflow: hidden; }
.series-card__desc { display: block; -webkit-line-clamp: unset; overflow: visible; }
@media (min-width: 1024px) {
	.series-card__frame::before { transform: skewX(var(--skew)); }
	.series-card__inner { padding: 2rem clamp(2.5rem, 13%, 4rem) 2.25rem; overflow: visible; }
	.series-card__bg { inset: 0 8%; }
}
@media (min-width: 768px) and (max-width: 1023px) { .series-card__inner { padding-inline: 1.25rem; } }
@media (min-width: 1024px) and (max-width: 1223px) { .series-card__frame::before { transform: skewX(-7deg); } .series-card__inner { padding-inline: clamp(2rem, 10%, 3rem); } }

.dealer-card__tel { white-space: nowrap; }
.dealer-cards--all { margin-bottom: 1.5rem; }
@media (min-width: 1024px) { .dealer-cards--all { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.dealer-card[hidden] { display: none; }
.dealer-card__region { display: flex; align-items: center; gap: .35rem; margin: 0; font-size: .875rem; font-weight: 700; color: var(--color-accent); }

/* form fields get the same visible focus ring as everything else (QA S-06) */
.input-text:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* finder card: at 768–1023 the card is a tall single column, so the −12° skew shifted its frame ~9px past the viewport (QA S-01) */
@media (max-width: 1023px) {
	.finder-card { padding: 0; }
	.finder-card__frame, .finder-card__inner { transform: none; }
}
/* floating 電池查詢 tab + LINE button: keep the end of the page clear, and make the tab compact on phones (QA S-02) */
.site-footer { padding-bottom: calc(var(--footer-pad-bottom, 0px) + 88px); }
@media (max-width: 767px) {
	.finder-tab__btn { font-size: 1rem; padding: .35rem .85rem; border-width: 2px; }
	.line-float { width: 50px; height: 50px; }
}
/* finder result cards (QA M-07): the side image column left the spec values ~30px wide at 1024 — image now sits above the specs */
.finder-result { grid-template-columns: minmax(0, 1fr); gap: .75rem; }
.finder-result__img img { width: 96px; height: 96px; }
@media (min-width: 1200px) { .finder-results { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); } }

.doc-meta { color: var(--color-text-muted); font-size: .8125rem; font-weight: 400; margin-left: .25rem; }

/* ===== 型號規格比較表 [optima_models_table]（2026-10-22） ===== */
.mt { --mt-line: var(--color-border-light); margin: 1.5rem 0 2rem; }
.mt__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem 1rem; margin-bottom: 1rem; }
.mt__tabs { display: flex; flex-wrap: wrap; gap: .5rem; }
.mt__tab, .mt__toggle { appearance: none; font: inherit; font-size: .9375rem; font-weight: 600; color: var(--color-text); background: var(--color-surface-1); border: 1px solid var(--color-border-light); border-radius: 999px; padding: .55rem 1.1rem; cursor: pointer; line-height: 1.2; }
.mt__tab:hover, .mt__toggle:hover { border-color: var(--color-text-muted); }
.mt__tab.is-active { background: var(--color-text); color: #000; border-color: var(--color-text); }
.mt__tab--redtop.is-active { background: var(--color-redtop); border-color: var(--color-redtop); color: #fff; }
.mt__tab--yellowtop.is-active { background: var(--color-yellowtop); border-color: var(--color-yellowtop); color: #000; }
.mt__tab--bluetop.is-active { background: var(--color-bluetop); border-color: var(--color-bluetop); color: #fff; }
.mt__count { display: inline-block; min-width: 1.5em; margin-left: .25rem; padding: 0 .35em; border-radius: 999px; background: rgba(127,127,127,.25); font-size: .8125rem; text-align: center; }
.mt__toggle { background: transparent; }
.mt__toggle::after { content: "＋"; margin-left: .4rem; }
.mt.is-expanded .mt__toggle::after { content: "－"; }
.mt__toggle-less, .mt.is-expanded .mt__toggle-more { display: none; }
.mt.is-expanded .mt__toggle-less { display: inline; }
html:not(.js) .mt__tabs, html:not(.js) .mt__toggle { display: none; }
.js .mt:not(.is-expanded) .mt__x { display: none; }
.mt__scroll { overflow-x: auto; border: 1px solid var(--mt-line); border-radius: var(--radius); background: var(--color-bg); }
.mt__scroll:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.mt__table { width: 100%; min-width: 760px; font-size: 1rem; line-height: 1.6; border-collapse: separate; border-spacing: 0; }
.mt.is-expanded .mt__table { min-width: max-content; }
.mt.is-expanded .mt__table th, .mt.is-expanded .mt__table td { white-space: nowrap; }
.mt__table th, .mt__table td { padding: .9rem 1.1rem; text-align: left; vertical-align: middle; border-bottom: 1px solid var(--mt-line); }
.mt__table thead th { position: sticky; top: 0; background: var(--color-surface-1); color: var(--color-text-muted); font-size: .8125rem; font-weight: 700; letter-spacing: .02em; white-space: nowrap; }
.mt__unit { font-weight: 400; color: var(--color-text-subtle); }
.mt__table .mt__num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.mt__c-tw_spec, .mt__c-part_no, .mt__c-dims { font-variant-numeric: tabular-nums; white-space: nowrap; }
.mt__c-use { color: var(--color-text-muted); font-size: .9375rem; }
.mt__model { position: sticky; left: 0; z-index: 1; background: var(--color-bg); white-space: nowrap; font-weight: 700; box-shadow: 1px 0 0 var(--mt-line); }
.mt__table thead .mt__model { z-index: 2; background: var(--color-surface-1); }
.mt__model a { color: var(--color-text); text-decoration: underline; text-decoration-color: rgba(255,255,255,.35); text-underline-offset: .2em; }
.mt__model a:hover { color: var(--color-accent); text-decoration-color: currentColor; }
.mt__row:nth-child(even) > * { background: #0d0d0d; }
.mt__row:hover > * { background: #1c1c1c; }
.mt__head th { padding: .7rem 1.1rem; background: #111; border-left: 4px solid var(--g, var(--color-text)); position: sticky; left: 0; }
.mt__head-name { font-weight: 800; font-size: 1.0625rem; color: var(--g, var(--color-text)); margin-right: .75rem; }
.mt__head-meta { color: var(--color-text-subtle); font-size: .8125rem; font-weight: 400; }
.mt__group--redtop { --g: var(--color-primary-text); }
.mt__group--yellowtop { --g: var(--color-yellowtop); }
.mt__group--bluetop { --g: var(--color-bluetop-text); }
.mt__group--redtop .mt__model { box-shadow: inset 3px 0 0 var(--color-redtop), 1px 0 0 var(--mt-line); }
.mt__group--yellowtop .mt__model { box-shadow: inset 3px 0 0 var(--color-yellowtop), 1px 0 0 var(--mt-line); }
.mt__group--bluetop .mt__model { box-shadow: inset 3px 0 0 var(--color-bluetop), 1px 0 0 var(--mt-line); }
.mt__group[hidden] { display: none; }
.mt__mark { color: var(--color-warning); font-weight: 700; }
sup.mt__mark { margin-left: .15em; } sup.mt__mark a { color: inherit; text-decoration: none; }
.mt__note { color: var(--color-text-subtle); font-size: .75rem; }
.mt__foot { margin-top: .75rem; }
.mt__fn, .mt__source, .table-source { font-size: .8125rem; line-height: 1.7; color: var(--color-text-subtle); margin: .25rem 0; }
.mt__fn:target { color: var(--color-text); }
/* mobile: one card per model */
@media (max-width: 767px) {
	.mt__bar { flex-direction: column; align-items: stretch; }
	.mt__tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: .25rem; }
	.mt__tab { flex: 0 0 auto; padding: .5rem .8rem; font-size: .875rem; }
	.mt__scroll { overflow: visible; border: 0; background: none; }
	.mt__table, .mt.is-expanded .mt__table { min-width: 0; display: block; }
	.mt__table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
	.mt__table tbody, .mt__table tr, .mt__table th, .mt__table td { display: block; }
	.mt__group { margin-bottom: 1.25rem; }
	.mt__head th { position: static; border: 0; border-left: 4px solid var(--g); border-radius: var(--radius) var(--radius) 0 0; }
	.mt__table .mt__row { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: .75rem; border: 1px solid var(--mt-line); border-radius: var(--radius); overflow: hidden; background: var(--color-surface-1); }
	.mt__row:nth-child(even) > *, .mt__row:hover > * { background: transparent; }
	.mt__table .mt__row > * { border-bottom: 1px solid var(--mt-line); padding: .6rem .9rem; text-align: left; white-space: normal; }
	.mt__row .mt__model { grid-column: 1 / -1; position: static; font-size: 1.125rem; padding: .85rem .9rem; background: #1b1b1b !important; }
	.mt__row td::before { content: attr(data-label); display: block; font-size: .75rem; color: var(--color-text-subtle); font-weight: 400; margin-bottom: .1rem; }
	.mt__row .mt__c-use, .mt__row .mt__c-dims, .mt__row .mt__c-terminal { grid-column: 1 / -1; }
	.js .mt:not(.is-expanded) .mt__row .mt__x { display: none; }
	.mt.is-expanded .mt__row .mt__x { display: block; }
}
@media (min-width: 768px) { .mt.is-expanded .mt__x { display: table-cell; } }

/* 比較表：紅／黃／藍產品線區別（2026-10-22b）。文字色對黑底皆 ≥ 4.5:1（WCAG AA） */
.mt__group--redtop { --g: #FF5A6A; --gb: var(--color-redtop); --gt: rgba(234, 0, 41, .16); --gon: #fff; }
.mt__group--yellowtop { --g: #FFDD00; --gb: var(--color-yellowtop); --gt: rgba(255, 221, 0, .12); --gon: #000; }
.mt__group--bluetop { --g: #5AAFEF; --gb: #2F8FD8; --gt: rgba(0, 111, 186, .2); --gon: #fff; }
.mt .mt__table .mt__row .mt__model a { color: var(--g); text-decoration-color: color-mix(in srgb, var(--g) 45%, transparent); }
.mt .mt__table .mt__row .mt__model a:hover { color: #fff; text-decoration-color: currentColor; }
.mt .mt__row .mt__model a::before { content: ""; display: inline-block; width: .6em; height: .6em; margin-right: .5em; border-radius: 50%; background: var(--gb); vertical-align: .05em; }
.mt .mt__group .mt__model { box-shadow: inset 5px 0 0 var(--gb), 1px 0 0 var(--mt-line); padding-left: 1.35rem; }
.mt .mt__head th { background: var(--gt); border-left: 5px solid var(--gb); border-top: 1px solid color-mix(in srgb, var(--gb) 60%, transparent); }
.mt .mt__head-name { color: var(--g); }
.mt .mt__head-meta { color: var(--color-text-muted); }
.mt__tab--redtop { --g: #FF5A6A; --gb: var(--color-redtop); --gon: #fff; }
.mt__tab--yellowtop { --g: #FFDD00; --gb: var(--color-yellowtop); --gon: #000; }
.mt__tab--bluetop { --g: #5AAFEF; --gb: #0062A6; --gon: #fff; }
.mt__tab[class*="mt__tab--"] { color: var(--g); border-color: var(--gb); }
.mt__tab[class*="mt__tab--"]::before { content: ""; display: inline-block; width: .55em; height: .55em; margin-right: .4em; border-radius: 50%; background: var(--gb); vertical-align: .05em; }
.mt__tab[class*="mt__tab--"].is-active { background: var(--gb); border-color: var(--gb); color: var(--gon); }
.mt__tab[class*="mt__tab--"].is-active::before { background: var(--gon); }
.mt__tab.is-active .mt__count { background: rgba(0,0,0,.25); }
@media (max-width: 767px) {
	.mt__tabs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; overflow: visible; padding-bottom: 0; }
	.mt__tab { padding: .55rem .5rem; font-size: .875rem; text-align: center; white-space: nowrap; }
	.mt .mt__head th { border-left: 0; border-top: 4px solid var(--gb); border-radius: var(--radius) var(--radius) 0 0; }
	.mt .mt__table .mt__row { border-top: 4px solid var(--gb); }
	.mt .mt__row .mt__model { box-shadow: none; padding-left: .9rem; }
}