/* ==========================================================================
   又悠數位 YoYou Studio — About page stylesheet
   Supplements studio.css (never duplicates its tokens or base styles).

   TABLE OF CONTENTS
   01 Shared section helpers
   02 abt-hero (Hero with portrait & security badge)
   03 abt-story (Manifesto & Why Solo, paper background)
   04 abt-manifesto (Pinned scrub statement with care-bg parallax)
   05 abt-security (CTF Security spotlight & animated metrics dashboard)
   06 abt-compare (Traditional agency vs YoYou Studio matrix, paper background)
   07 abt-pillars (3 Core Principles, dark cards)
   08 abt-cta (Closing CTA with magnetic button)
   09 Responsive adjustments
   ========================================================================== */

/* 01 Shared section helpers ------------------------------------------------ */
.abt-section {
  position: relative;
  padding-block: clamp(72px, 11vw, 136px);
}

.abt-section .st-container {
  position: relative;
  z-index: 2;
}

.abt-section--paper {
  background: var(--st-paper);
  color: var(--st-text-dark);
}

.abt-section--ink {
  background: var(--st-ink);
  color: var(--st-paper);
}

.abt-section--ink-2 {
  background: var(--st-ink-2);
  color: var(--st-paper);
}

.abt-section__head {
  margin-bottom: clamp(40px, 6vw, 68px);
}

.abt-section__head--center {
  text-align: center;
  max-width: 860px;
  margin-inline: auto;
}

.abt-section__head--center .abt-section__eyebrow {
  justify-content: center;
}

.abt-section__head--center .abt-section__title {
  text-align: center;
}

.abt-section__head--center .abt-section__intro {
  margin-inline: auto;
  text-align: center;
}

.abt-section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(.8rem, 2vw, .95rem);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--st-signal);
  margin-bottom: 16px;
}

.abt-section__title {
  font-size: clamp(2.2rem, 7.5vw, 3.8rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -.02em;
}

.abt-section--paper .abt-section__title {
  color: var(--st-ink);
}

.abt-section--ink .abt-section__title,
.abt-section--ink-2 .abt-section__title {
  color: var(--st-paper);
}

.abt-section__intro {
  margin-top: clamp(18px, 3vw, 28px);
  max-width: 42em;
  font-size: 1.05rem;
  line-height: 1.9;
}

.abt-section--paper .abt-section__intro {
  color: var(--st-text-mute-dark);
}

.abt-section--ink .abt-section__intro,
.abt-section--ink-2 .abt-section__intro {
  color: var(--st-text-mute-light);
}

/* Em-dash continuous connector (prevents split dashes under Latin font stack) */
.abt-dash,
.svc-dash,
.st-dash {
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  letter-spacing: -0.05em;
  font-weight: 400;
  display: inline-block;
  vertical-align: middle;
  white-space: nowrap;
}

/* 02 abt-hero -------------------------------------------------------------- */
.abt-hero {
  position: relative;
  background: var(--st-ink);
  color: var(--st-paper);
  overflow: hidden;
  padding-block: calc(var(--st-header-h) + 64px) clamp(64px, 10vw, 110px);
}

.abt-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.abt-hero__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(238, 240, 248, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(238, 240, 248, .045) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 85% 70% at 50% 40%, black 25%, transparent 80%);
}

.abt-hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .18;
}

.abt-hero__glow--a {
  width: 620px;
  height: 620px;
  background: var(--st-blue);
  top: -12%;
  right: -5%;
}

.abt-hero__glow--b {
  width: 440px;
  height: 440px;
  background: var(--st-signal);
  bottom: 0%;
  left: -8%;
  opacity: .12;
}

.abt-hero__grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  align-items: center;
  gap: clamp(40px, 6vw, 96px);
  position: relative;
  z-index: 2;
}

.abt-hero__label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--st-signal);
  margin-bottom: 22px;
}

.abt-hero__title {
  font-size: clamp(2.5rem, 8vw, 4.4rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--st-white);
  margin-bottom: 24px;
}

.abt-hero__title .line {
  display: block;
  overflow: hidden;
  padding-bottom: .06em;
}

.abt-hero__title .line > span {
  display: block;
}

html.js .abt-hero__title .line > span {
  transform: translateY(108%);
}

html.js.is-ready .abt-hero__title .line > span {
  transform: none;
  transition: transform 1.1s var(--st-ease);
  transition-delay: calc(.22s + var(--i, 0) * .14s);
}

html.js .abt-hero__fade {
  opacity: 0;
  transform: translateY(22px);
}

html.js.is-ready .abt-hero__fade {
  opacity: 1;
  transform: none;
  transition: opacity 1s ease, transform 1s var(--st-ease);
  transition-delay: calc(.68s + var(--i, 0) * .12s);
}

@media (prefers-reduced-motion: reduce) {
  html.js .abt-hero__title .line > span,
  html.js .abt-hero__fade {
    transform: none !important;
    opacity: 1 !important;
    transition: none !important;
  }
}

.abt-hero__title .text-gradient {
  background: linear-gradient(135deg, #ffffff 40%, var(--st-paper) 70%, var(--st-blue) 120%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.abt-hero__desc {
  font-size: clamp(1.02rem, 1.8vw, 1.15rem);
  line-height: 1.95;
  color: var(--st-text-mute-light);
  margin-bottom: 36px;
  max-width: 36em;
}

.abt-hero__anchors {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.abt-hero__anchor {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--st-line-light);
  background: rgba(238, 240, 248, .04);
  font-size: .84rem;
  font-weight: 700;
  color: var(--st-paper);
  backdrop-filter: blur(8px);
  transition: all .35s var(--st-ease);
}

.abt-hero__anchor:hover {
  border-color: var(--st-signal);
  background: rgba(255, 122, 69, .12);
  color: var(--st-white);
  transform: translateY(-2px);
}

.abt-hero__anchor-no {
  font-size: .75rem;
  color: var(--st-signal);
  font-family: var(--st-font);
}

/* Hero Portrait stage */
.abt-hero__visual {
  position: relative;
}

.abt-hero__frame {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 28px 70px rgba(0, 0, 0, .45);
  background: var(--st-ink-2);
  border: 1px solid rgba(238, 240, 248, .12);
}

.abt-hero__frame::before {
  content: "";
  display: block;
  padding-bottom: 125%; /* 4:5 aspect ratio */
}

.abt-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--st-ease);
}

.abt-hero__visual:hover .abt-hero__img {
  transform: scale(1.04);
}

/* Floating security badge */
.abt-hero__badge {
  position: absolute;
  bottom: -22px;
  left: -20px;
  background: rgba(16, 28, 77, .94);
  border: 1px solid rgba(58, 82, 255, .4);
  backdrop-filter: blur(16px);
  border-radius: 16px;
  padding: 16px 20px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .45), 0 0 24px rgba(58, 82, 255, .2);
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 320px;
  z-index: 3;
}

.abt-hero__badge-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--st-blue), #1e2fa0);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
}

.abt-hero__badge-icon svg {
  width: 24px;
  height: 24px;
}

.abt-hero__badge-org {
  font-size: .75rem;
  color: var(--st-signal);
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.abt-hero__badge-text {
  font-size: .88rem;
  font-weight: 800;
  color: var(--st-white);
  line-height: 1.35;
  margin-top: 2px;
}

/* Secondary floating tag */
.abt-hero__tag {
  position: absolute;
  top: 24px;
  right: -16px;
  background: rgba(8, 20, 53, .88);
  border: 1px solid rgba(238, 240, 248, .18);
  backdrop-filter: blur(12px);
  border-radius: 999px;
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 700;
  white-space: nowrap;
  color: var(--st-paper);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .3);
  z-index: 3;
}

.abt-hero__tag-br { display: none; }

.abt-hero__tag-dot {
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
}

/* Background wordmark */
.abt-hero__wordmark {
  position: absolute;
  z-index: 1;
  bottom: 0;
  right: 0;
  font-size: clamp(4rem, 15vw, 15rem);
  font-weight: 900;
  line-height: .92;
  letter-spacing: -.03em;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(238, 240, 248, .09);
  pointer-events: none;
  user-select: none;
  will-change: transform;
}

@media (min-width: 1100px) {
  .abt-hero__wordmark {
    bottom: 0;
    font-size: clamp(6.5rem, 15vw, 16rem);
    -webkit-text-stroke-width: 2px;
  }
}

/* 03 abt-story (Manifesto & Why Solo) --------------------------------------- */
.abt-story__grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: clamp(36px, 6vw, 84px);
  align-items: start;
}

.abt-story__card {
  position: sticky;
  top: 120px;
  background: #ffffff;
  border: 1px solid var(--st-line-dark);
  border-radius: 20px;
  padding: clamp(28px, 4vw, 40px);
  box-shadow: 0 16px 40px rgba(8, 20, 53, .05);
}

.abt-story__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--st-signal);
  background: rgba(255, 122, 69, .1);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.abt-story__q {
  font-size: clamp(1.4rem, 2.8vw, 1.95rem);
  font-weight: 800;
  line-height: 1.45;
  color: var(--st-ink);
  letter-spacing: -.01em;
}

/* Brand Monogram inside abt-story card */
.abt-story__brand {
  margin-top: clamp(24px, 3vw, 32px);
  padding-top: clamp(20px, 2.5vw, 26px);
  border-top: 1px solid var(--st-line-dark);
}

.abt-story__brand-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.abt-story__brand-logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 4px 14px rgba(8, 20, 53, .08);
  border: 1px solid rgba(8, 20, 53, .08);
  flex-shrink: 0;
}

.abt-story__brand-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.abt-story__brand-tag {
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--st-text-mute-dark);
}

.abt-story__brand-title {
  font-family: var(--st-font-en);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--st-ink);
  letter-spacing: -.01em;
}

.abt-story__brand-desc {
  font-size: .95rem;
  line-height: 1.85;
  color: #3b4566;
  margin: 0;
}

.abt-story__body {
  font-size: 1.08rem;
  line-height: 2.05;
  color: #2b3352;
}

.abt-story__body p {
  margin-bottom: 1.6em;
}

.abt-story__body strong {
  color: var(--st-ink);
  font-weight: 800;
}

.abt-story__highlight {
  background: #ffffff;
  border-radius: 18px;
  padding: clamp(24px, 3.5vw, 36px);
  border: 1px solid var(--st-line-dark);
  position: relative;
  overflow: hidden;
  margin-top: 2em;
  box-shadow: 0 12px 32px rgba(8, 20, 53, .05);
  transition: box-shadow .6s var(--st-ease), border-color .6s var(--st-ease);
}

.abt-story__highlight::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--st-signal);
  transform-origin: top;
  transform: scaleY(0);
  transition: transform .8s cubic-bezier(0.16, 1, 0.3, 1);
}

.abt-story__highlight.is-illuminated::before {
  transform: scaleY(1);
}

.abt-story__highlight.is-illuminated {
  box-shadow: 0 16px 44px rgba(255, 122, 69, .12);
  border-color: rgba(255, 122, 69, .25);
}

.abt-story__highlight-main {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--st-ink);
  line-height: 1.65;
  margin-bottom: 10px;
}

.abt-story__highlight-sub {
  font-size: .98rem;
  color: var(--st-text-mute-dark);
  line-height: 1.85;
  margin-bottom: 0 !important;
}

/* 04 abt-manifesto (Pinned Scrollytelling Statement with care-bg) ----------- */
.abt-manifesto {
  position: relative;
  background: var(--st-blue);
  color: var(--st-white);
  overflow: hidden;
  min-height: 100svh;
}

.abt-manifesto__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.abt-manifesto__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
}

/* Dark gradient overlay matching homepage care__bg::after */
.abt-manifesto__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, rgba(8, 20, 53, .78) 0%, rgba(8, 20, 53, 0) 42%),
    linear-gradient(90deg, rgba(8, 20, 53, .9) 0%, rgba(8, 20, 53, .72) 50%, rgba(8, 20, 53, .5) 100%),
    radial-gradient(120% 120% at 85% 15%, rgba(255, 122, 69, .22) 0%, transparent 60%);
}

.abt-manifesto__stage {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100svh;
  padding-block: calc(var(--st-header-h) + 40px) 64px;
}

@media (min-width: 1100px) {
  .abt-manifesto {
    min-height: 100svh;
  }
  .abt-manifesto__stage {
    padding-block: calc(var(--st-header-h) + 3vh) 6vh;
  }
}

.abt-manifesto__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(.95rem, 2.2vw, 1.15rem);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--st-signal);
  margin-bottom: 20px;
}

.abt-manifesto__title {
  margin-top: 14px;
  font-size: clamp(2.4rem, 6.5vw, 4.6rem);
  font-weight: 900;
  line-height: 1.32;
  letter-spacing: -.02em;
  margin-bottom: 24px;
  max-width: 18em;
  color: #ffffff;
  text-shadow: 0 4px 24px rgba(0, 0, 0, .4);
}

.abt-manifesto__title .abt-manifesto__char {
  display: inline;
}

.abt-manifesto__sub {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.95;
  color: rgba(255, 255, 255, .82);
  max-width: 38em;
  margin-bottom: 30px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, .4);
}

.abt-manifesto__features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px clamp(12px, 2vw, 18px);
  max-width: 52em;
}

.abt-manifesto__pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(8, 20, 53, .65);
  border: 1px solid rgba(238, 240, 248, .15);
  backdrop-filter: blur(12px);
  font-size: .88rem;
  font-weight: 700;
  color: var(--st-paper);
  box-shadow: 0 6px 18px rgba(0, 0, 0, .25);
}

.abt-manifesto__pill svg {
  width: 16px;
  height: 16px;
  color: var(--st-signal);
  flex-shrink: 0;
}

/* 05 abt-security (CTF Security & Benchmarks) ------------------------------ */
.abt-security {
  background: var(--st-ink);
  color: var(--st-paper);
  overflow: hidden;
}

.abt-security__card {
  background: linear-gradient(135deg, rgba(16, 28, 77, .85) 0%, rgba(8, 20, 53, .95) 100%);
  border: 1px solid rgba(58, 82, 255, .32);
  border-radius: 24px;
  padding: clamp(32px, 5vw, 64px);
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .45);
  margin-bottom: clamp(48px, 7vw, 80px);
}

.abt-security__card-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(58, 82, 255, .25), transparent 70%);
  top: -150px;
  right: -100px;
  pointer-events: none;
}

.abt-security__card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 32px;
  border-bottom: 1px solid var(--st-line-light);
  padding-bottom: 24px;
}

.abt-security__cert-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 122, 69, .15);
  border: 1px solid var(--st-signal);
  color: var(--st-signal);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: .84rem;
  font-weight: 800;
  letter-spacing: .06em;
}

.abt-security__cert-badge svg {
  width: 18px;
  height: 18px;
}
  height: 18px;
}

.abt-security__card-title {
  font-size: clamp(1.8rem, 4.5vw, 2.7rem);
  font-weight: 900;
  line-height: 1.25;
  color: var(--st-white);
  margin-bottom: 18px;
}

.abt-security__card-body {
  font-size: 1.05rem;
  line-height: 1.95;
  color: var(--st-text-mute-light);
  max-width: 52em;
}

.abt-security__card-body p {
  margin-bottom: 1.2em;
}

.abt-security__card-body p:last-child {
  margin-bottom: 0;
}

.abt-security__cert-note {
  font-size: .85rem;
  color: var(--st-text-mute-light);
  font-weight: 700;
}

/* Metrics Dashboard (3 balanced cards) */
.abt-metrics__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(20px, 3vw, 36px);
}

.abt-metric-card {
  background: rgba(16, 28, 77, .6);
  border: 1px solid rgba(238, 240, 248, .1);
  border-radius: 20px;
  padding: clamp(28px, 4vw, 42px) 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform .35s var(--st-ease), border-color .35s var(--st-ease);
}

.abt-metric-card:hover {
  transform: translateY(-4px);
  border-color: var(--st-signal);
}

.abt-metric-card__val {
  font-size: clamp(2.8rem, 6vw, 4.4rem);
  font-weight: 900;
  color: var(--st-white);
  line-height: 1;
  margin-bottom: 14px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  font-family: var(--st-font);
}

.abt-metric-card__unit {
  font-size: .55em;
  color: var(--st-signal);
  margin-left: 2px;
}

.abt-metric-card__label {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--st-paper);
  margin-bottom: 8px;
}

.abt-metric-card__desc {
  font-size: .88rem;
  line-height: 1.65;
  color: var(--st-text-mute-light);
}

/* 06 abt-compare (Traditional vs YoYou Matrix) ------------------------------ */
.abt-compare {
  background: var(--st-paper);
  color: var(--st-text-dark);
}

.abt-compare__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(36px, 5vw, 60px);
}

.abt-compare__col {
  border-radius: 20px;
  padding: clamp(28px, 4vw, 44px);
  display: flex;
  flex-direction: column;
}

.abt-compare__col--agency {
  background: #ffffff;
  border: 1px solid var(--st-line-dark);
  color: var(--st-text-dark);
  opacity: .92;
}

.abt-compare__col--yoyou {
  background: var(--st-ink);
  color: var(--st-paper);
  border: 2px solid var(--st-signal);
  box-shadow: 0 20px 50px rgba(8, 20, 53, .2);
  position: relative;
}

.abt-compare__badge {
  position: absolute;
  top: -14px;
  right: 28px;
  background: var(--st-signal);
  color: #fff;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .04em;
  padding: 5px 16px;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(255, 122, 69, .4);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.abt-compare__header {
  border-bottom: 1px solid;
  padding-bottom: 20px;
  margin-bottom: 28px;
}

.abt-compare__col--agency .abt-compare__header {
  border-color: var(--st-line-dark);
}

.abt-compare__col--yoyou .abt-compare__header {
  border-color: var(--st-line-light);
}

.abt-compare__col-tag {
  font-size: .82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 8px;
}

.abt-compare__col--agency .abt-compare__col-tag {
  color: var(--st-text-mute-dark);
}

.abt-compare__col--yoyou .abt-compare__col-tag {
  color: var(--st-signal);
}

.abt-compare__col-name {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 900;
  line-height: 1.25;
}

.abt-compare__list {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.abt-compare__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: .96rem;
  line-height: 1.7;
}

.abt-compare__icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  transform-origin: center center;
  will-change: transform;
  font-size: .84rem;
  font-weight: 900;
}

.abt-compare__col--agency .abt-compare__icon {
  background: rgba(239, 68, 68, .12);
  color: #ef4444;
}

.abt-compare__col--yoyou .abt-compare__icon {
  background: rgba(16, 185, 129, .2);
  color: #10b981;
}

.abt-compare__item-content strong {
  display: block;
  font-weight: 800;
  margin-bottom: 3px;
}

.abt-compare__col--agency .abt-compare__item-content strong {
  color: var(--st-ink);
}

.abt-compare__col--yoyou .abt-compare__item-content strong {
  color: var(--st-white);
}

.abt-compare__col--agency .abt-compare__item-content {
  color: var(--st-text-mute-dark);
}

.abt-compare__col--yoyou .abt-compare__item-content {
  color: var(--st-text-mute-light);
}

/* 07 abt-cta (Closing CTA) ------------------------------------------------- */
.abt-cta {
  background: var(--st-ink);
  color: var(--st-paper);
  padding-block: clamp(88px, 16vw, 168px);
  position: relative;
  overflow: hidden;
}

.abt-cta__title {
  font-size: clamp(1.85rem, 8.2vw, 5.8rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.025em;
  color: var(--st-white);
  margin-bottom: clamp(36px, 6vw, 64px);
}

.abt-cta__title .line {
  display: block;
  white-space: nowrap;
}

@media (min-width: 1100px) {
  .abt-cta__title {
    font-size: clamp(3.2rem, 5.8vw, 6.4rem);
    line-height: 1.1;
  }
}

@media (max-width: 1099.98px) {
  .abt-cta__title {
    font-size: clamp(1.8rem, 8.2vw, 3rem);
    line-height: 1.18;
  }
}

@media (max-width: 360px) {
  .abt-cta__title {
    font-size: 1.72rem;
  }
}

.abt-cta__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
}

.abt-cta__lead {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.85;
  color: var(--st-text-mute-light);
  max-width: 32em;
}

.abt-cta__actions {
  display: flex;
  align-items: flex-end; /* 信箱文字與圓形按鈕底部對齊左側文案的最後一行 */
  gap: clamp(24px, 4vw, 48px);
}

.abt-cta__mail-note {
  display: block;
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--st-text-mute-light);
  margin-bottom: 4px;
}

.abt-cta__mail {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--st-paper);
  border-bottom: 1px solid var(--st-line-light);
  padding-bottom: 2px;
  transition: color .3s ease, border-color .3s ease;
}

.abt-cta__mail:hover {
  color: var(--st-signal);
  border-color: var(--st-signal);
}

/* 09 Responsive adjustments ------------------------------------------------ */
@media (max-width: 1099px) {
  .abt-hero__grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .abt-hero__visual {
    max-width: 480px;
    margin-inline: auto;
  }
  .abt-hero__badge {
    left: -10px;
    bottom: -16px;
    padding: 12px 16px;
  }
  .abt-story__grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .abt-story__card {
    position: static;
  }
  .abt-metrics__grid {
    grid-template-columns: 1fr;
  }
  .abt-compare__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1099.98px) {
  .abt-cta__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
  }
  .abt-cta__actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
  }
}

@media (max-width: 767px) {
  .abt-hero__badge {
    position: static;
    margin-top: 16px;
    max-width: 100%;
  }
  /* 手機版：標籤浮在人像照片左上角，不遮臉、不超出畫面 */
  .abt-hero__tag {
    top: 14px;
    left: 14px;
    right: auto;
    max-width: calc(100% - 28px);
    padding: 8px 14px;
    font-size: .76rem;
    line-height: 1.45;
    white-space: normal;
    border-radius: 16px;
  }
  .abt-hero__tag-br {
    display: inline;
  }
}